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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q

☑ |  | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended: December 31, 2021
OR

☐ |  | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to .
Commission file number: 001-34033
DIGI INTERNATIONAL INC.
(Exact name of registrant as specified in its charter)

Delaware |  | 41-1532464
(State or other jurisdiction of incorporation or organization) |  | (I.R.S. Employer Identification Number)

9350 Excelsior Blvd. | Suite 700 |  |
Hopkins | Minnesota |  | 55343
(Address of principal executive offices) |  | (Zip Code)

(952) 912-3444
(Registrant's telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:

Title of each class |  | Trading Symbol |  | Name of each exchange on which registered
Common Stock, par value $.01 per share |  | DGII |  | The Nasdaq Stock Market LLC

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☑ No ☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files.) Yes ☑ No ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act:

Large accelerated filer |  | ☐ |  | Accelerated filer |  | ☑
Non-accelerated filer |  | ☐ |  | Smaller reporting company |  | ☐
Emerging growth company |  | ☐ |  |  |  |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ☑
On February 1, 2022, t here were 34,994,099 shares of the registrant's $.01 par value Common Stock outstanding.

INDEX

| Page
PART I. FINANCIAL INFORMATION |
ITEM 1. Unaudited Financial Statements: |
Condensed Consolidated Statements of Operations | 1
Condensed Consolidated Statements of Comprehensive Income (Loss) | 2
Condensed Consolidated Balance Sheets | 3
Condensed Consolidated Statements of Cash Flows | 4
Condensed Consolidated Statements of Stockholders’ Equity | 5
Notes to Condensed Consolidated Financial Statements | 6
ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations | 21
ITEM 3. Quantitative and Qualitative Disclosures About Market Risk | 29
ITEM 4. Controls and Procedures | 29
PART II. OTHER INFORMATION |
ITEM 1. Legal Proceedings | 30
ITEM 1A. Risk Factors | 30
ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds | 30
ITEM 3. Defaults Upon Senior Securities | 30
ITEM 4. Mine Safety Disclosures | 30
ITEM 5. Other Information | 30
ITEM 6. Exhibits | 30

i

Table of Contents
PART I. FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS
DIGI INTERNATIONAL INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(UNAUDITED)

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
| (in thousands, except per share data)
Revenue: |  |  |  |  |  |  |
Product | $ | 63,798 |  |  | $ | 62,604 |  |  |  |  |
Service | 20,459 |  |  | 10,542 |  |  |  |  |
Total revenue | 84,257 |  |  | 73,146 |  |  |  |  |
Cost of sales: |  |  |  |  |  |  |
Cost of product | 29,239 |  |  | 27,776 |  |  |  |  |
Cost of service | 5,748 |  |  | 3,237 |  |  |  |  |
Amortization | 1,389 |  |  | 1,114 |  |  |  |  |
Total cost of sales | 36,376 |  |  | 32,127 |  |  |  |  |
Gross profit | 47,881 |  |  | 41,019 |  |  |  |  |
Operating expenses: |  |  |  |  |  |  |
Sales and marketing | 15,319 |  |  | 14,924 |  |  |  |  |
Research and development | 13,412 |  |  | 11,093 |  |  |  |  |
General and administrative | 15,242 |  |  | 14,415 |  |  |  |  |
Restructuring charge | 109 |  |  | 733 |  |  |  |  |
Total operating expenses | 44,082 |  |  | 41,165 |  |  |  |  |
Operating income (loss) | 3,799 |  |  | (146) |  |  |  |  |
Other expense, net: |  |  |  |  |  |  |
Interest income | 5 |  |  | — |  |  |  |  |
Interest expense | (4,903) |  |  | (402) |  |  |  |  |
Other expense, net | (102) |  |  | (192) |  |  |  |  |
Total other expense, net | (5,000) |  |  | (594) |  |  |  |  |
Loss before income taxes | (1,201) |  |  | (740) |  |  |  |  |
Income tax benefit | (2,388) |  |  | (433) |  |  |  |  |
Net income (loss) | $ | 1,187 |  |  | $ | (307) |  |  |  |  |
Net income (loss) per common share: |  |  |  |  |  |  |
Basic | $ | 0.03 |  |  | $ | (0.01) |  |  |  |  |
Diluted | $ | 0.03 |  |  | $ | (0.01) |  |  |  |  |
Weighted average common shares: |  |  |  |  |  |  |
Basic | 34,560 |  |  | 29,374 |  |  |  |  |
Diluted | 35,767 |  |  | 29,374 |  |  |  |  |

The accompanying notes are an integral part of the condensed consolidated financial statements.
1

Table of Contents
DIGI INTERNATIONAL INC.
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(UNAUDITED)

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
| (in thousands)
Net income (loss) | $ | 1,187 |  |  | $ | (307) |  |  |  |  |
Other comprehensive (loss) income: |  |  |  |  |  |  |
Foreign currency translation adjustment | (212) |  |  | 1,872 |  |  |  |  |
Other comprehensive (loss) income | (212) |  |  | 1,872 |  |  |  |  |
Comprehensive income | $ | 975 |  |  | $ | 1,565 |  |  |  |  |

The accompanying notes are an integral part of the condensed consolidated financial statements.
2

Table of Contents
DIGI INTERNATIONAL INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(UNAUDITED)

| December 31, 2021 |  | September 30, 2021
| (in thousands, except share data)
ASSETS |  |  |
Current assets: |  |  |
Cash and cash equivalents | $ | 47,188 |  |  | $ | 152,432 |
Accounts receivable, net | 49,359 |  |  | 43,738 |
Inventories | 51,874 |  |  | 43,921 |
Other current assets | 8,281 |  |  | 6,567 |
Total current assets | 156,702 |  |  | 246,658 |
Property, equipment and improvements, net | 27,058 |  |  | 12,132 |
Operating lease right-of-use assets | 15,891 |  |  | 15,684 |
Intangible assets, net | 322,794 |  |  | 118,029 |
Goodwill | 342,498 |  |  | 225,522 |
Deferred tax assets | 8 |  |  | 439 |
Other non-current assets | 1,279 |  |  | 1,067 |
Total assets | $ | 866,230 |  |  | $ | 619,531 |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |  |
Current liabilities: |  |  |
Current portion of long-term debt | $ | 11,148 |  |  | $ | — |
Accounts payable | 22,880 |  |  | 22,586 |
Accrued compensation | 10,368 |  |  | 12,934 |
Unearned revenue | 22,136 |  |  | 13,589 |
Contingent consideration on acquired businesses | 6,100 |  |  | 20 |
Current portion of operating lease liabilities | 2,884 |  |  | 2,633 |
Other current liabilities | 3,795 |  |  | 7,179 |
Total current liabilities | 79,311 |  |  | 58,941 |
Income taxes payable | 2,254 |  |  | 2,334 |
Deferred tax liabilities | 14,794 |  |  | 13,493 |
Long-term debt | 275,340 |  |  | 45,799 |
Operating lease liabilities | 18,225 |  |  | 18,368 |
Other non-current liabilities | 2,274 |  |  | 8,079 |
Total liabilities | 392,198 |  |  | 147,014 |
Commitments and Contingencies (See Note 13) |  |  |
Stockholders' equity: |  |  |
Preferred stock, $.01 par value; 2,000,000 shares authorized; none issued and outstanding | — |  |  | — |
Common stock, $.01 par value; 60,000,000 shares authorized; 41,412,712 and 40,653,035 shares issued | 414 |  |  | 407 |
Additional paid-in capital | 372,797 |  |  | 370,699 |
Retained earnings | 181,879 |  |  | 180,692 |
Accumulated other comprehensive loss | (22,958) |  |  | (22,746) |
Treasury stock, at cost, 6,447,449 and 6,390,645 shares | (58,100) |  |  | (56,535) |
Total stockholders' equity | 474,032 |  |  | 472,517 |
Total liabilities and stockholders' equity | $ | 866,230 |  |  | $ | 619,531 |

The accompanying notes are an integral part of the condensed consolidated financial statements.
3

Table of Contents
DIGI INTERNATIONAL INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(UNAUDITED)

| Three months ended December 31,
| 2021 |  | 2020
| (in thousands)
Operating activities: |  |  |
Net income (loss) | $ | 1,187 |  |  | $ | (307) |
Adjustments to reconcile net income to net cash (used for) provided by operating activities: |  |  |
Depreciation of property, equipment and improvements | 1,553 |  |  | 1,089 |
Amortization of intangible assets | 6,309 |  |  | 3,961 |
Stock-based compensation | 2,017 |  |  | 1,745 |
Deferred income tax provision | 1,732 |  |  | 750 |
Change in fair value of contingent consideration | — |  |  | 5,772 |
Provision for bad debt and product returns | 414 |  |  | (518) |
Provision for inventory obsolescence | 600 |  |  | 600 |
Restructuring charge | 109 |  |  | 733 |
Other | 25 |  |  | 118 |
Changes in operating assets and liabilities (net of acquisitions) | (23,831) |  |  | (5,631) |
Net cash (used for) provided by operating activities | (9,885) |  |  | 8,312 |
Investing activities: |  |  |
Acquisition of businesses, net of cash acquired | (347,593) |  |  | — |
Purchase of property, equipment, improvements and certain other intangible assets | (454) |  |  | (777) |
Net cash used in investing activities | (348,047) |  |  | (777) |
Financing activities: |  |  |
Proceeds from long-term debt | 350,000 |  |  | — |
Payments on long-term debt | (95,799) |  |  | (15,625) |
Proceeds from stock option plan transactions | 4,227 |  |  | 3,944 |
Proceeds from employee stock purchase plan transactions | 321 |  |  | 334 |
Taxes paid for net share settlement of share-based payment options and awards | (6,025) |  |  | (1,446) |
Net cash provided by (used for) financing activities | 252,724 |  |  | (12,793) |
Effect of exchange rate changes on cash and cash equivalents | (36) |  |  | 392 |
Net decrease in cash and cash equivalents | (105,244) |  |  | (4,866) |
Cash and cash equivalents, beginning of period | 152,432 |  |  | 54,129 |
Cash and cash equivalents, end of period | $ | 47,188 |  |  | $ | 49,263 |
Supplemental schedule of non-cash investing and financing activities: |  |  |
Transfer of inventory to property, equipment and improvements | $ | (699) |  |  | $ | (882) |
Tenant improvement allowance | $ | — |  |  | $ | 1,000 |
Accrual for purchase of property, equipment, improvements and certain other intangible assets | $ | (16) |  |  | $ | (452) |

The accompanying notes are an integral part of the condensed consolidated financial statements.
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DIGI INTERNATIONAL INC.
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
(UNAUDITED)

|  |  |  |  |  |  |  |  |  | Additional |  |  |  | Accum. Other |  | Total
|  | Common Stock |  | Treasury Stock |  | Paid-In |  | Retained |  | Comprehensive |  | Stockholders'
(in thousands) |  | Shares |  | Par Value |  | Shares |  | Value |  | Capital |  | Earnings |  | Loss |  | Equity
Balances, September 30, 2020 |  | 35,513 |  |  | $ | 355 |  |  | 6,353 |  |  | $ | (55,109) |  |  | $ | 279,741 |  |  | $ | 170,330 |  |  | $ | (23,817) |  |  | $ | 371,500 |
Net loss |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (307) |  |  | — |  |  | (307) |
Other comprehensive income |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,872 |  |  | 1,872 |
Employee stock purchase plan issuances |  | — |  |  | — |  |  | (25) |  |  | 222 |  |  | 112 |  |  | — |  |  | — |  |  | 334 |
Taxes paid for net share settlement of share-based payment awards |  | — |  |  | — |  |  | 84 |  |  | (1,446) |  |  | — |  |  | — |  |  | — |  |  | (1,446) |
Issuance of stock under stock award plans |  | 577 |  |  | 6 |  |  | — |  |  | — |  |  | 3,938 |  |  | — |  |  | — |  |  | 3,944 |
Stock-based compensation expense |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,745 |  |  | — |  |  | — |  |  | 1,745 |
Balances, December 31, 2020 |  | 36,090 |  |  | $ | 361 |  |  | 6,412 |  |  | $ | (56,333) |  |  | $ | 285,536 |  |  | $ | 170,023 |  |  | $ | (21,945) |  |  | $ | 377,642 |
Balances, September 30, 2021 |  | 40,653 |  |  | $ | 407 |  |  | 6,391 |  |  | $ | (56,535) |  |  | $ | 370,699 |  |  | $ | 180,692 |  |  | $ | (22,746) |  |  | $ | 472,517 |
Net income |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,187 |  |  | — |  |  | 1,187 |
Other comprehensive loss |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (212) |  |  | (212) |
Employee stock purchase plan issuances |  | — |  |  | — |  |  | (18) |  |  | 161 |  |  | 160 |  |  | — |  |  | — |  |  | 321 |
Taxes paid for net share settlement of share-based payment options and awards |  | — |  |  | — |  |  | 74 |  |  | (1,726) |  |  | (4,299) |  |  | — |  |  | — |  |  | (6,025) |
Issuance of stock under stock award plans |  | 760 |  |  | 7 |  |  | — |  |  | — |  |  | 4,220 |  |  | — |  |  | — |  |  | 4,227 |
Stock-based compensation expense |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,017 |  |  | — |  |  | — |  |  | 2,017 |
Balances, December 31, 2021 |  | 41,413 |  |  | $ | 414 |  |  | 6,447 |  |  | $ | (58,100) |  |  | $ | 372,797 |  |  | $ | 181,879 |  |  | $ | (22,958) |  |  | $ | 474,032 |

The accompanying notes are an integral part of the condensed consolidated financial statements.
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DIGI INTERNATIONAL INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(UNAUDITED)
1. BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SIGNIFICANT ACCOUNTING POLICIES
Basis of Presentation
The unaudited condensed consolidated financial statements of Digi International Inc. ("we", "us", "our", "Digi" or "the Company") have been prepared in accordance with the rules and regulations of the United States Securities and Exchange Commission applicable to interim financial statements. While these financial statements reflect all normal recurring adjustments that are, in the opinion of management, necessary for fair presentation of the results of the interim period, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles ("GAAP") for complete financial statements. These financial statements should be read in conjunction with the financial statement disclosures in our Annual Report on Form 10-K for the year ended September 30, 2021 (the "2021 Financial Statements"). We use the same accounting policies in preparing quarterly and annual financial statements. The quarterly results of operations are not necessarily indicative of the results to be expected for the full year.
Potential Impacts of COVID-19 on our Business
The impact of the coronavirus ("COVID-19") pandemic continues to unfold. The extent of the pandemic's effect on our operational and financial performance will depend in large part on future developments, which cannot be reasonably estimated at this time. Future developments include the duration, scope and severity of the pandemic, the actions taken to contain or mitigate its impact both within and outside the jurisdictions where we operate, the impact on governmental programs and budgets, the development of treatments or vaccines, and the timing and level of resumption of widespread economic activity. Due to the inherent uncertainty of the unprecedented and rapidly evolving situation, we are unable to predict with any confidence the likely impact of the COVID-19 pandemic on our future operations. For a more detailed discussion see Part I, Item 1 in our Annual Report on Form 10-K for the year ended September 30, 2021 and "Management's Discussion and Analysis of Financial Condition and Results of Operations" in Item 2 of this Form 10-Q.
Recently Issued Accounting Pronouncements
Adopted
In October 2021, FASB issued ASU 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers. This update requires entities to apply Topic 606 to recognize and measure contract assets and contract liabilities in a business combination. We adopted this standard in the first quarter of fiscal 2022.
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2. ACQUISITIONS
Acquisition of Ventus
On November 1, 2021, we acquired Ventus Networks, LLC ("Ventus") for approximately $350 million in cash. The acquisition was funded through a combination of cash on hand and debt financing under a $350 million credit facility committed by BMO Harris Bank N.A.
For tax purposes, this acquisition is treated as an asset acquisition. We believe this is a complementary acquisition for us as it significantly enhances our IoT Solutions segment by enhancing Digi's service portfolio and immediately extends the company's market reach with a Managed Network-as-a-Service ("MNaaS") solutions offering.
Costs directly related to the acquisition of $3.1 million incurred fiscal year to date 2022 have been charged to operations and are included in general and administrative expense in our condensed statements of operations. These acquisition costs include legal, accounting, valuation and investment banking fees.
The following table summarizes the preliminary fair values of Ventus assets acquired and liabilities assumed as of the acquisition date (in thousands).

Cash |  | $ | 350,000 |
Fair value of net tangible assets acquired |  | $ | 22,110 |
Identifiable intangible assets: |  |
Customer relationships |  | 179,000 |
Purchased and core technology |  | 16,000 |
Trademarks |  | 16,000 |
Goodwill |  | 116,890 |
Total |  | $ | 350,000 |

The condensed consolidated balance sheet as of December 31, 2021 reflects the preliminary allocation of the purchase price to the assets acquired and liabilities assumed based on their estimated fair values at the date of acquisition. Given the timing of the Ventus acquisition, the estimated fair value of the net assets acquired, liabilities assumed and identifiable intangible assets are preliminary and remain subject to change. Included in the fair value of net tangible assets acquired was $0.9 million of right-of-use asset included in other non-current assets and $0.9 million of lease liability included in other current liabilities and other non-current liabilities associated with Ventus’s operating leases. Due to the timing of the acquisition, preliminary purchase price allocation has not yet been completed.
The preliminary weighted average useful life for all the identifiable intangibles listed above is estimated to be 19.2 years. For purposes of determining fair value, the existing customer relationships identified above are assumed to have a useful life of 20.5 years, purchased and core technology is assumed to have useful life of 11 years and trademarks are assumed a useful life of 13 years. Useful lives for identifiable intangible assets are estimated at the time of acquisition based on the periods of time from which we expect to derive benefits from the identifiable intangible assets. The identifiable intangible assets are amortized using the straight-line method which reflects the pattern in which the assets are expected to be consumed.
The following consolidated pro forma information is presented as if the acquisition had occurred on October 1, 2020 (in thousands):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Net sales | $ | 89,322 |  |  | $ | 84,988 |  |  |  |  |
Net income | (3,653) |  |  | (7,783) |  |  |  |  |

Pro forma net income has been adjusted to include interest expense related to debt incurred as a result of the acquisition, amortization on the fair value of the intangibles acquired and remove any costs incurred with the sale transaction. Net income for the three months ended December 31, 2020 was adjusted to include acquisition-related costs of $3.1 million.
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3. EARNINGS PER SHARE
The following table is a reconciliation of the numerators and denominators in the net income (loss) per common share calculations (in thousands, except per common share data):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | 1,187 |  |  | $ | (307) |  |  |  |  |
Denominator: |  |  |  |  |  |  |
Denominator for basic net income per common share — weighted average shares outstanding | 34,560 |  |  | 29,374 |  |  |  |  |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options and restricted stock units | 1,207 |  |  | — |  |  |  |  |
Denominator for diluted net income per common share — adjusted weighted average shares | 35,767 |  |  | 29,374 |  |  |  |  |
Net income (loss) per common share, basic | $ | 0.03 |  |  | $ | (0.01) |  |  |  |  |
Net income (loss) per common share, diluted | $ | 0.03 |  |  | $ | (0.01) |  |  |  |  |

For the three months ended December 31, 2021 and 2020, there were 35,160 and 547,045 potentially dilutive shares, respectively. These potentially dilutive shares were related to stock options to purchase common shares that were not included in the above computation of diluted earnings per common share since the options' exercise prices were greater than the average market price of our common shares. In addition, due to the net loss for the three months ended December 31, 2020, there were 1,157,727 common stock options and restricted stock units that were not included in the above computation of diluted earnings per share.
4. SELECTED BALANCE SHEET DATA
The following table shows selected balance sheet data (in thousands):

| December 31, 2021 |  | September 30, 2021
Accounts receivable, net: |  |  |
Accounts receivable | $ | 57,863 |  |  | $ | 51,828 |
Less allowance for credit losses | 3,827 |  |  | 3,934 |
Less reserve for future credit returns and pricing adjustments | 4,677 |  |  | 4,156 |
Accounts receivable, net | $ | 49,359 |  |  | $ | 43,738 |
Inventories: |  |  |
Raw materials | $ | 31,707 |  |  | $ | 27,279 |
Finished goods | 20,167 |  |  | 16,642 |
Inventories | $ | 51,874 |  |  | $ | 43,921 |

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5. FAIR VALUE MEASUREMENTS
Financial assets and liabilities are classified in the following fair value hierarchy based on the lowest level input that is significant to the fair value measurement: Level 1 (unadjusted quoted prices in active markets for identical assets or liabilities); Level 2 (observable market inputs, other than quoted prices included in Level 1); and Level 3 (unobservable inputs that cannot be corroborated by observable market data).
The following tables provide information by level for financial liabilities that are measured at fair value on a recurring basis (in thousands):

| Total Fair Value at |  | Fair Value Measurements Using Inputs Considered as
| December 31, 2021 |  | Level 1 |  | Level 2 |  | Level 3
Liabilities: |  |  |  |  |  |  |
Contingent consideration on acquired business | $ | 6,200 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,200 |
Total liabilities measured at fair value | $ | 6,200 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,200 |

| Total Fair Value at |  | Fair Value Measurements Using Inputs Considered as
| September 30, 2021 |  | Level 1 |  | Level 2 |  | Level 3
Liabilities: |  |  |  |  |  |  |
Contingent consideration on acquired business | $ | 6,200 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,200 |
Total liabilities measured at fair value | $ | 6,200 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,200 |

In connection with our acquisition of Opengear, we agreed to make contingent payments, based upon certain revenue thresholds. We paid the final installment of $10.0 million during the second quarter of fiscal 2021.
In connection with our acquisition of Haxiot, we agreed to make contingent earn-out payments, based upon certain revenue thresholds. In the fiscal third quarter of fiscal 2021, the preliminary purchase price allocation was updated, including related determination of fair value and income tax implications. As a result, we reduced contingent consideration by $2.1 million in the third fiscal quarter of 2021. The fair value of the remaining liability for contingent consideration for the acquisition of Haxiot was $5.9 million at December 31, 2021.
In connection with our acquisition of Ctek, we agreed to make contingent earn-out payments, based upon certain revenue thresholds. The fair value of the remaining liability for contingent consideration for the acquisition of Ctek was $0.3 million at December 31, 2021.
The following table presents a reconciliation of the contingent consideration liability measured at fair value on a recurring basis using significant unobservable inputs (Level 3) (in thousands):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Fair value at beginning of period | $ | 6,200 |  |  | $ | 4,228 |  |  |  |  |
Change in fair value of contingent consideration | — |  |  | 5,772 |  |  |  |  |
Fair value at end of period | $ | 6,200 |  |  | $ | 10,000 |  |  |  |  |

The change in fair value of contingent consideration reflects our estimates of the probabilities of achieving the relevant targets and is discounted based on our estimated discount rate. The fair value of the contingent consideration at December 31, 2021 is based on the probability of achieving the specified revenue thresholds for Haxiot and Ctek.
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6. GOODWILL AND OTHER INTANGIBLE ASSETS, NET
Amortizable intangible assets were (in thousands):

| December 31, 2021 |  | September 30, 2021
| Gross carrying amount |  | Accum. amort. |  | Net |  | Gross carrying amount |  | Accum. amort. |  | Net
Purchased and core technology | $ | 85,162 |  |  | $ | (52,090) |  |  | $ | 33,072 |  |  | $ | 69,162 |  |  | $ | (50,701) |  |  | $ | 18,461 |
License agreements | 112 |  |  | (112) |  |  | — |  |  | 112 |  |  | (112) |  |  | — |
Patents and trademarks | 39,559 |  |  | (15,576) |  |  | 23,983 |  |  | 23,491 |  |  | (14,978) |  |  | 8,513 |
Customer relationships | 309,278 |  |  | (44,039) |  |  | 265,239 |  |  | 130,278 |  |  | (39,973) |  |  | 90,305 |
Non-compete agreements | 600 |  |  | (600) |  |  | — |  |  | 600 |  |  | (600) |  |  | — |
Order backlog | 1,000 |  |  | (500) |  |  | 500 |  |  | 1,000 |  |  | (250) |  |  | 750 |
Total | $ | 435,711 |  |  | $ | (112,917) |  |  | $ | 322,794 |  |  | $ | 224,643 |  |  | $ | (106,614) |  |  | $ | 118,029 |

Amortization expense was $6.3 million and $4.0 million for the three months ended December 31, 2021 and 2020, respectively. Amortization expense is recorded on our condensed consolidated statements of operations within cost of sales and in general and administrative expense.
Estimated amortization expense related to intangible assets for the remainder of fiscal 2022 and the five succeeding fiscal years is (in thousands):

2022 (nine months) | $ | 20,717 |
2023 | $ | 24,996 |
2024 | $ | 24,282 |
2025 | $ | 20,825 |
2026 | $ | 20,593 |
2027 | $ | 18,582 |

The changes in the carrying amount of goodwill by reportable segments are (in thousands):

| Three months ended December 31,
| IoT Products and Services |  | IoT Solutions |  | Total
Balance on September 30, 2021 | $ | 175,180 |  |  | $ | 50,342 |  |  | $ | 225,522 |
Acquisition | — |  |  | 116,890 |  |  | 116,890 |
Adjustment | 154 |  |  | — |  |  | 154 |
Foreign currency translation adjustment | (51) |  |  | (17) |  |  | (68) |
Balance at December 31, 2021 | $ | 175,283 |  |  | $ | 167,215 |  |  | $ | 342,498 |

Goodwill represents the excess of cost over the fair value of net identifiable assets acquired. Goodwill is quantitatively tested for impairment on an annual basis as of June 30, or more frequently if events or circumstances occur which could indicate impairment. We continue to have 2 reportable segments, our IoT Products & Services segment and our IoT Solutions segment (see Note 8). Effective with the reorganization announcement on October 7, 2020, our IoT Products & Services business is now structured to include four reporting units under the IoT Products & Services segment, each with a reporting manager: Cellular Routers, Console Servers, OEM Solutions and Infrastructure Management. We had four reporting units along with our IoT Solutions segment that were tested individually for impairment during our third quarter fiscal 2021 annual impairment test. Following our acquisition of Ventus in November, 2021, we have 2 reporting units within our IoT Solutions segment that will be tested for impairment during our Fiscal 2022 annual impairment test in addition to the 4 reporting units included in IoT Products & Services.
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6. GOODWILL AND OTHER INTANGIBLE ASSETS, NET (CONTINUED)
Results of our Fiscal 2021 Annual Impairment Test
As of June 30, 2021, we had a total of $32.7 million of goodwill for the Enterprise Routers reporting unit, $60.2 million of goodwill for the Console Servers reporting unit, $63.4 million of goodwill for the OEM Solutions reporting unit, $15.4 million of goodwill for the Infrastructure Mgmt. reporting unit and $49.5 million of goodwill for the IoT Solutions reporting unit. At June 30, 2021, fair value exceeded the carrying value by more than 20% for all five reporting units. Implied fair values for both reporting units were each calculated on a standalone basis using a weighted combination of the income approach and market approach. The implied fair values of each reporting unit were added together along with our unallocated assets to get an indicated value of total equity to which a range of indicated value of total equity was derived. This range was compared to the total market capitalization of $686.3 million as of June 30, 2021. This implied a range of control (deficit)/ premiums of (4.5)% to 5.4%. This range of control premiums fell below the control premiums observed in the last five years in the communications equipment industry. As a result, the market capitalization reconciliation analysis proved support for the reasonableness of the fair values estimated for each individual reporting unit.
7. INDEBTEDNESS
On November 1, 2021, we entered into a second amended and restated credit agreement with BMO Harris Bank N.A. ("BMO"). This agreement provides us with a senior secured credit facility (the "Credit Facility") consisting of a $350 million term loan B secured loan (the “Term Loan Facility”) and a $35 million revolving credit facility (the “Revolving Loan Facility”) with an uncommitted option to increase incremental loans under the Credit Facility, subject to an incremental cap. The Revolving Loan Facility includes a $10 million letter of credit subfacility and $10 million swingline subfacility. Digi may use proceeds of the Revolving Loan Facility in the future for general corporate purposes. This loan replaced our syndicated senior secured credit agreement with BMO that was entered into on March 15, 2021 and replaced the remaining balance of our revolver with this new term loan. This prior agreement provided us with committed credit facilities ("Prior Credit Facility") consisting of a $200 million revolving loan.
On December 22, 2021, Digi entered into a third amended and restated credit agreement with BMO. Digi refinanced the Term Loan Facility and Revolving Loan Facility under its existing credit agreement entered into on November 1, 2021, but did not receive any additional proceeds from nor modify the amounts of any facilities or subfacilities contained within that credit agreement.
Following the December amendment, borrowings under the Term Loan Facility bear interest at a rate per annum equal to LIBOR with a floor of 0.50% for an interest period of one, three or six months as selected by Digi, reset at the end of the selected interest period (or a replacement benchmark rate if LIBOR is no longer available) plus 5.00% or a base rate plus 4.00%. The base rate is determined by reference to the highest of BMO’s prime rate, the Federal Funds Effective Rate plus 0.50%, or the one-month LIBOR for U.S. dollars plus 1.00%. The applicable margin for loans under the Revolving Credit Facility is in a range of 4.00% to 3.75% for LIBOR loans and 3.00% to 2.75% for base rate loans, depending on Digi’s consolidated leverage ratio. In addition to paying interest on the outstanding balance under the Credit Facility, we are required to pay a commitment fee on the non-utilized commitments thereunder which is also reported in interest expense. Our weighted average interest rate at December 31, 2021 was 4.58%.
The debt issuance costs and remaining balance under the Prior Credit Facility totaled $2.3 million at November 1, 2021. Of this amount $1.9 million was written off and included in interest expense upon the entry into the new amendment and $0.4 million is being amortized over the term of the amended loan and reported in interest expense. Digi incurred an additional $11.7 million and $1.7 million in debt issuance costs relating to the November 1 and December 22 amendments, respectively. These amounts will be amortized over the term of the amended loan and reported in interest expense.
The Term Loan is payable in quarterly installments, with the balance remaining due at December 22, 2028. The Revolving Loan is due in a lump sum payment at maturity on December 22, 2026. The fair value of the Term Loan and Revolving Loan approximated carrying value at December 31, 2021.
In December 2021, Digi made a one-time payment of $50 million against the term loan.
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7. INDEBTEDNESS (CONTINUED)
The following table is a summary of our long-term indebtedness at December 31, 2021 and September 30, 2021 (in thousands):

|  | Balance at December 31, 2021 |  | Balance at September 30, 2021
Revolving Loan |  | $ | — |  |  | $ | 48,118 |
Term loan |  | $ | 300,000 |  |  | $ | — |
Total loans |  | 300,000 |  |  | 48,118 |
Less unamortized issuance costs |  | (13,512) |  |  | (2,319) |
Less current maturities of long-term debt |  | (11,148) |  |  | — |
Total long-term debt, net of current portion |  | $ | 275,340 |  |  | $ | 45,799 |

The following table is a summary of future maturities of our aggregate long-term debt at December 31, 2021 (in thousands):

Fiscal year |  | Amount
2022 |  | $ | 8,750 |
2023 |  | 17,500 |
2024 |  | 17,500 |
2025 |  | 17,500 |
2026 |  | 17,500 |
2027 |  | 17,500 |
2028 |  | 203,750 |
Total long-term debt |  | $ | 300,000 |

Covenants and Security Interest
The agreements governing the Revolving Loan Facility contains a number of covenants. Among other provisions, these covenants require us to maintain a certain financial ratio (net leverage ratio and minimum fixed charge ratio). At December 31, 2021, had no amounts drawn on the Revolving Loan Facility. Amounts borrowed under the Credit Facility are secured by substantially all of our assets.
8. SEGMENT INFORMATION
We have two reportable segments: IoT Products & Services and IoT Solutions. Effective with the reorganization announcement on October 7, 2020, our IoT Products & Services business is now structured to include four operating segments, each with a segment manager. These four operating segments include:
•Cellular Routers - box devices (fully enclosed) that provide connectivity typically in a place where the device can be plugged in exclusively using cellular communications.
•Console Servers - similar to cellular routers except they are exclusively for edge computing installations and data center applications exclusively using cellular communications.
•OEM Solutions - Original Equipment Manufacturers ("OEM") will be a chip, rather than a boxed device. This can come in the form of a stand-alone chip, or from a systems-on-module ("SOMs"). While cellular connectivity is used, other communication protocols can be used such as Zigbee, Bluetooth or Radio-Frequency ("RF") based on application.
•Infrastructure Management - includes battery operated, cellular enabled connect sensors as well as other types of console server applications that are more Digi Accelerated Linux ("DAL") based than Console Servers. This operating segment has some products that do not use cellular communications, but a large part of this segment does use cellular communications.
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8. SEGMENT INFORMATION (CONTINUED)
Following the acquisition of Ventus on November 1, 2021, IoT Solutions is now comprised of two operating segments:
•SmartSense - offers wireless temperature and other condition-based monitoring services as well as employee task management services.
•Ventus - provides MNaaS solutions that simplify the complexity of enterprise wide area network ("WAN") connectivity via wireless and fixed line solutions.
The operating segments included in each reportable segment have similar qualitative and quantitative factors which allow us to aggregate them under each reportable segment. The qualitative factors include similar nature of products and services, production process, type or class of customers and methods used to distribute the products. The quantitative factors include similar operating margins. Our CODM reviews and makes business decisions which includes a primary review of operating income but also includes gross profit. Following the October 2020 reorganization, the shared general and administrative costs began being allocated to each operating segment. As a result, our disclosed measure of segment operating income has been updated for all periods presented to conform with this change.
Summary operating results for each of our segments were (in thousands):

|  | Three months ended December 31, |  |
|  | 2021 |  | 2020 |  |  |  |
Revenue |  |  |  |  |  |  |  |
IoT Products & Services |  | $ | 65,744 |  |  | $ | 61,780 |  |  |  |  |
IoT Solutions |  | 18,513 |  |  | 11,366 |  |  |  |  |
Total revenue |  | $ | 84,257 |  |  | $ | 73,146 |  |  |  |  |
Gross Profit |  |  |  |  |  |  |  |
IoT Products & Services |  | $ | 35,675 |  |  | $ | 35,679 |  |  |  |  |
IoT Solutions |  | 12,206 |  |  | 5,340 |  |  |  |  |
Total gross profit |  | $ | 47,881 |  |  | $ | 41,019 |  |  |  |  |
Operating Income (Loss) |  |  |  |  |  |  |  |
IoT Products & Services |  | $ | 4,116 |  |  | $ | 1,269 |  |  |  |  |
IoT Solutions |  | (317) |  |  | (1,415) |  |  |  |  |
Total operating income (loss) |  | $ | 3,799 |  |  | $ | (146) |  |  |  |  |
Depreciation and Amortization |  |  |  |  |  |  |  |
IoT Products & Services |  | $ | 3,629 |  |  | $ | 3,134 |  |  |  |  |
IoT Solutions |  | 4,233 |  |  | 1,916 |  |  |  |  |
Total depreciation and amortization |  | $ | 7,862 |  |  | $ | 5,050 |  |  |  |  |

Total expended for property, plant and equipment was (in thousands):

|  | Three months ended December 31,
|  | 2021 |  | 2020
IoT Products & Services |  | $ | 454 |  |  | $ | 777 |
IoT Solutions* |  | — |  |  | — |
Total expended for property, plant and equipment |  | $ | 454 |  |  | $ | 777 |

* Excluded from this amount is $699 and $882 of transfers of inventory to property plant and equipment for subscriber assets for the three months ended December 31, 2021 and 2020, respectively.
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8. SEGMENT INFORMATION (CONTINUED)
Total assets for each of our segments were (in thousands):

|  | December 31, 2021 |  | September 30, 2021
IoT Products & Services |  | $ | 386,589 |  |  | $ | 386,934 |
IoT Solutions |  | 432,453 |  |  | 80,165 |
Unallocated* |  | 47,188 |  |  | 152,432 |
Total assets |  | $ | 866,230 |  |  | $ | 619,531 |

*Unallocated consists of cash and cash equivalents.
9. REVENUE
Revenue Disaggregation
The following table summarizes our revenue by geographic location of our customers (in thousands):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
North America, primarily the United States | $ | 66,243 |  |  | $ | 54,018 |  |  |  |  |
Europe, Middle East & Africa | 10,159 |  |  | 10,536 |  |  |  |  |
Rest of world | 7,855 |  |  | 8,592 |  |  |  |  |
Total revenue | $ | 84,257 |  |  | $ | 73,146 |  |  |  |  |

The following table summarizes our revenue by the timing of revenue recognition (in thousands):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Transferred at a point in time | $ | 66,535 |  |  | $ | 64,188 |  |  |  |  |
Transferred over time | 17,722 |  |  | 8,958 |  |  |  |  |
Total revenue | $ | 84,257 |  |  | $ | 73,146 |  |  |  |  |

Contract Balances
Contract Assets
Contract assets consist of subscriber assets. These subscriber assets relate to fees in certain contracts that we charge our customers so they can begin using equipment. In these cases, we retain the ownership of the equipment that the customer uses. The total net book value of subscriber assets of $9.8 million and $1.9 million as of December 31, 2021 and September 30, 2021, respectively, are included in property, equipment and improvements, net. The December 31, 2021 balance includes $8.1 million acquired in the acquisition of Ventus. Depreciation expense for these subscriber assets, which is included in cost of sales, was $0.8 million and $0.5 million for the three months ended December 31, 2021 and December 31, 2020, respectively. We depreciate the cost of this equipment over its useful life (typically three years).
Contract Liabilities
The timing of revenue recognition may differ from the timing of invoicing to customers. Customers are invoiced for subscription services in advance on a monthly, quarterly or annual basis. Contract liabilities consist of unearned revenue related to annual or multi-year contracts for subscription services and related implementation fees. These pertain to our IoT Solutions segment and our Digi Remote Manager® services in our IoT Products & Services segment.
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9. REVENUE (CONTINUED)
Changes in unearned revenue were (in thousands):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Unearned revenue, beginning of period | $ | 15,488 |  |  | $ | 9,341 |  |  |  |  |
Unearned revenue assumed from Ventus acquisition | 2,100 |  |  | — |  |  |  |  |
Billings | 27,181 |  |  | 14,267 |  |  |  |  |
Revenue recognized | (20,459) |  |  | (10,542) |  |  |  |  |
Unearned revenue, end of period | $ | 24,310 |  |  | $ | 13,066 |  |  |  |  |

Remaining Transaction Price
Transaction price allocated to the remaining performance obligations represents contracted revenue that has not been recognized. This includes unearned revenue and unbilled amounts that will be recognized as revenue in future periods. As of December 31, 2021, approximately $24.3 million of revenue is expected to be recognized from remaining performance obligations for subscription contracts. We expect to recognize revenue on approximately $22.1 million of remaining performance obligations over the next twelve months. Revenue from the remaining performance obligations we expect to recognize over a range of two to seven years.
10. INCOME TAXES
Our income tax benefit was $2.4 million for the three months ended December 31, 2021. Included in this benefit was a net tax benefit discretely related to the three months ended December 31, 2021 of $2.2 million. This benefit primarily was the result of excess tax benefits recognized on stock compensation.
Income tax benefit was $0.4 million for the three months ended December 31, 2020. Included in this benefit was a net tax benefit discretely related to the three months ended December 31, 2020 of $0.3 million. This benefit primarily was the result of excess tax benefits recognized on stock compensation.
Our effective tax rate will vary based on a variety of factors. These include our overall profitability, the geographical mix of income before taxes and related statutory tax rate in each jurisdiction, and tax items discretely related to the period, such as settlements of audits. We may record other benefits or expenses in the future that are specific to a particular quarter such as expiration of statutes of limitation, the completion of tax audits, or legislation that is enacted in both U.S. and foreign jurisdictions.
A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):

Unrecognized tax benefits as of September 30, 2021 | $ | 2,908 |
Decreases related to: |
Expiration of statute of limitations | (68) |
Unrecognized tax benefits as of December 31, 2021 | $ | 2,840 |

The total amount of unrecognized tax benefits at December 31, 2021 that, if recognized, would affect our effective tax rate was $2.6 million, after considering the impact of interest and deferred benefit items. We expect that the total amount of unrecognized tax benefits will decrease by approximately $0.7 million over the next 12 months.
11. PRODUCT WARRANTY OBLIGATION
The following tables summarize the activity associated with the product warranty accrual (in thousands) and is included on our condensed consolidated balance sheets within current liabilities:

| Balance at |  | Warranties |  | Settlements |  | Balance at
Period | October 1 |  | issued |  | made |  | December 31
Three months ended December 31, 2021 | $ | 707 |  |  | $ | 71 |  |  | $ | (120) |  |  | $ | 658 |
Three months ended December 31, 2020 | $ | 942 |  |  | $ | 123 |  |  | $ | (100) |  |  | $ | 965 |

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12. LEASES
All of our leases are operating leases and primarily consist of leases for office space. For any lease with an initial term in excess of twelve months, the related lease assets and lease liabilities are recognized on the condensed consolidated balance sheets as either operating or financing leases at the inception of an agreement where it is determined that a lease exists. We have lease agreements that contain both lease and non-lease components. We have elected to combine lease and non-lease components for all classes of assets. Leases with an initial term of twelve months or less are not recorded on the condensed consolidated balance sheets. Instead we recognize lease expense for these leases on a straight-line basis over the lease term.
Operating lease assets represent the right to use an underlying asset for the lease term and operating lease liabilities represent the obligation to make lease payments. These assets and liabilities are recognized based on the present value of future payments over the lease term at the commencement date. We generally use a collateralized incremental borrowing rate based
on information available at the commencement date, including the lease term, in determining the present value of future payments. When determining our right-of-use asset, we generally do not include options to extend or terminate the lease unless it is reasonably certain that the option will be exercised.
Our leases typically require payment of real estate taxes and common area maintenance and insurance. These components comprise the majority of our variable lease cost and are excluded from the present value of our lease obligations. Fixed payments may contain predetermined fixed rent escalations. We recognize the related rent expense on a straight-line basis from the commencement date to the end of the lease term.
The following table shows the supplemental balance sheet information related to our leases (in thousands):

|  | Balance Sheet Location |  | December 31, 2021 |  | September 30, 2021
Assets |  |  |  |  |  |
Operating leases |  | Operating lease right-of-use assets |  | $ | 15,891 |  |  | $ | 15,684 |
Total lease assets |  |  |  | $ | 15,891 |  |  | $ | 15,684 |
Liabilities |  |  |  |  |  |
Operating leases |  | Current portion of operating lease liabilities |  | $ | 2,884 |  |  | $ | 2,633 |
Operating leases |  | Operating lease liabilities |  | 18,225 |  |  | 18,368 |
Total lease liabilities |  |  |  | $ | 21,109 |  |  | $ | 21,001 |

The following were the components of our lease cost which is recorded in both cost of goods sold and selling, general and administrative expense (in thousands):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Operating lease cost | $ | 937 |  |  | $ | 861 |  |  |  |  |
Variable lease cost | 28 |  |  | 268 |  |  |  |  |
Short-term lease cost | 273 |  |  | 32 |  |  |  |  |
Total lease cost | $ | 1,238 |  |  | $ | 1,161 |  |  |  |  |

The following table presents supplemental information related to operating leases (in thousands):

|  | Three months ended December 31,
|  | 2021 |  | 2020
Cash paid for amounts included in the measurement of operating lease liabilities |  | $ | — |  |  | $ | 911 |
Right-of-use assets acquired in Ventus acquisition |  | 919 |  |  | — |
Right-of-use assets obtained in exchange for new operating lease liabilities |  | — |  |  | 2,892 |
Non-cash tenant improvement allowance |  | $ | — |  |  | $ | 1,000 |

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12. LEASES (CONTINUED)
At December 31, 2021 the weighted average remaining lease term of our operating leases was 8.4 years and the weighted average discount rate for these leases was 3.1%.
The table below reconciles the undiscounted cash flows for each of the first five years as well as all the remaining years to the operating lease liabilities recorded on the condensed consolidated balance sheet as of December 31, 2021 (in thousands):

Fiscal year |  | Amount
2022 |  | $ | 2,910 |
2023 |  | 3,641 |
2024 |  | 3,208 |
2025 |  | 2,821 |
2026 |  | 2,590 |
2027 |  | 1,760 |
Thereafter |  | 7,069 |
Total future undiscounted lease payments |  | 23,999 |
Less imputed interest |  | (2,890) |
Total reported lease liability |  | $ | 21,109 |

13. COMMITMENTS AND CONTINGENCIES
We lease certain of our buildings and equipment under noncancelable lease agreements. Please refer to Note 12 to our condensed consolidated financial statements for additional information.
In the normal course of business, we are presently, and expect in the future to be, subject to various claims and litigation with third parties such as non-practicing intellectual property entities as well as customers, vendors and/or employees. There can be no assurance that any claims by third parties, if proven to have merit, will not materially adversely affect our business, liquidity or financial condition.
14. STOCK-BASED COMPENSATION
Stock-based awards were granted under the 2021 Omnibus Incentive Plan (the "2021 Plan") beginning January 29, 2021. Prior to that date, such awards made in fiscal 2021 were granted under the 2020 Omnibus Incentive Plan (the "2020 Plan"). Upon stockholder approval of the 2021 Plan, we ceased granting awards under the 2020 Plan. Shares subject to awards under the 2020 Plan or any prior plans that are forfeited, canceled, returned to us for failure to satisfy vesting requirements, settled in cash or otherwise terminated without payment also will be available for grant under the 2021 Plan. The authority to grant options under the 2021 Plan and set other terms and conditions rests with the Compensation Committee of the Board of Directors.
The 2021 Plan authorizes the issuance of up to 1,400,000 common shares in connection with awards of stock options, stock appreciation rights, restricted stock, restricted stock units, performance-based full value awards or other stock-based awards. Eligible participants include our employees, our affiliates, non-employee directors of our Company and any consultant or advisor who is a natural person and provides services to us or our affiliates. Options that have been granted under the 2021 Plan typically vest over a four-year period and will expire if unexercised after seven years from the date of grant. Restricted stock unit awards ("RSUs") that have been granted to directors typically vest in one year. RSUs that have been granted to executives and employees typically vest in January over a four-year period. Performance stock unit awards ("PSUs") that have been granted to an executive will vest based on achievement of a cumulative adjusted earnings per share metric measured over a three-year period. Share-based compensation expenses recorded for this performance award is reevaluated at each reporting period based on the probability of achievement of the goal. The 2021 Plan is scheduled to expire on January 28, 2031. Options
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14. STOCK-BASED COMPENSATION (CONTINUED)
under the 2021 Plan can be granted as either incentive stock options or non-statutory stock options. The exercise price of options and the grant date price of RSUs and PSUs is determined by our Compensation Committee but will not be less than the fair market value of our common stock based on the closing price as of the date of grant. Upon exercise of options or settlement of vested restricted stock units or performance stock units, we issue new shares of stock. As of December 31, 2021, there were approximately 755,017 shares available for future grants under the 2021 Plan.
Cash received from the exercise of stock options was $4.2 million and $3.9 million for the three months ended December 31, 2021 and December 31, 2020, respectively.
Our equity plans and corresponding forms of award agreements generally have provisions allowing employees to elect to satisfy tax withholding obligations through the delivery of shares. When employees make this election, we retain a portion of shares issuable under the award. Tax with withholding obligations otherwise occur by the employee paying cash to us for the withholding. During the three months ended December 31, 2021 and 2020, our employees forfeited 611,415 shares and 83,928 shares, respectively, in order to satisfy respective withholding tax obligations of $6.0 million and $1.4 million, respectively.
We sponsor an Employee Stock Purchase Plan as amended and restated as of December 10, 2019, October 29, 2013, December 4, 2009 and November 27, 2006 (the "ESPP"), covering all domestic employees with at least 90 days of continuous service and who are customarily employed at least 20 hours per week. The ESPP allows eligible participants the right to purchase common stock on a quarterly basis at the lower of 85% of the market price at the beginning or end of each three-month offering period. The most recent amendments to the ESPP, ratified by our stockholders on January 29, 2020, increased the total number of shares to 3,425,000 that may be purchased under the plan. ESPP contributions by employees were $0.3 million for the three months ended December 31, 2021 and December 31, 2020. Pursuant to the ESPP, 17,936 and 25,246 common shares were issued to employees during the three months ended December 31, 2021 and December 31, 2020, respectively. Shares are issued under the ESPP from treasury stock. As of December 31, 2021, 615,134 common shares were available for future issuances under the ESPP.
The following table shows stock-based compensation expense that is included in the consolidated results of operations (in thousands):

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Cost of sales | $ | 86 |  |  | $ | 82 |  |  |  |  |
Sales and marketing | 490 |  |  | 525 |  |  |  |  |
Research and development | 322 |  |  | 210 |  |  |  |  |
General and administrative | 1,119 |  |  | 928 |  |  |  |  |
Stock-based compensation before income taxes | 2,017 |  |  | 1,745 |  |  |  |  |
Income tax benefit | (430) |  |  | (365) |  |  |  |  |
Stock-based compensation after income taxes | $ | 1,587 |  |  | $ | 1,380 |  |  |  |  |

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14. STOCK-BASED COMPENSATION (CONTINUED)
Stock Options
The following table summarizes our stock option activity (in thousands, except per common share amounts):

|  | Options Outstanding |  | Weighted Average Exercise Price |  | Weighted Average Contractual Term (in years) |  | Aggregate Intrinsic Value (1)
Balance at September 30, 2021 |  | 2,952 |  |  | $13.20 |  |  |  |
Granted |  | 452 |  |  | 22.74 |  |  |  |
Exercised |  | (1,099) |  |  | 10.84 |  |  |  |
Forfeited / Canceled |  | (43) |  |  | 16.78 |  |  |  |
Balance at December 31, 2021 |  | 2,262 |  |  | $16.18 |  | 4.85 |  | $ | 19,000 |
Exercisable at December 31, 2021 |  | 1,008 |  |  | $13.03 |  | 3.53 |  | $ | 11,636 |

(1) The aggregate intrinsic value represents the total pre-tax intrinsic value, based on our closing stock price of $24.57 as of December 31, 2021, which would have been received by the option holders had all option holders exercised their options as of that date. The intrinsic value of an option is the amount by which the fair value of the underlying stock exceeds its exercise price.
The total intrinsic value of all options exercised during the three months ended December 31, 2021 was $13.3 million and during the three months ended December 31, 2020 was $2.2 million.
The following table shows the weighted average fair value, which was determined based upon the fair value of each option on the grant date utilizing the Black-Scholes option-pricing model and the related assumptions:

| Three months ended December 31,
| 2021 |  | 2020
Weighted average per option grant date fair value | $10.23 |  | $7.12
Assumptions used for option grants: |  |  |
Risk free interest rate | 1.25% - 1.46% |  | 0.51% - 0.54%
Expected term | 6.00 years |  | 6.00 years
Expected volatility | 46% |  | 44%
Weighted average volatility | 46% |  | 44%
Expected dividend yield | — |  | —

The fair value of each option award granted during the periods presented was estimated using the Black-Scholes option valuation model that uses the assumptions noted in the above table. Expected volatilities are based on the historical volatility of our stock. We use historical data to estimate option exercise and employee termination information within the valuation model. The expected term of options granted is derived from the vesting period and historical information and represents the period of time that options granted are expected to be outstanding. The risk-free rate used is the zero-coupon U.S. Treasury bond rate in effect at the time of the grant whose maturity equals the expected term of the option.
As of December 31, 2021, the total unrecognized compensation cost related to non-vested stock options was $4.8 million and the related weighted average period over which it is expected to be recognized is approximately 1.6 years.
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14. STOCK-BASED COMPENSATION (CONTINUED)
Non-vested Stock Units
The following table presents a summary of our non-vested restricted stock and performance stock units as of December 31, 2021 and changes during the three months then ended (in thousands, except per common share amounts):

| RSUs |  | PSUs
| Number of Awards |  | Weighted Average Grant Date Fair Value |  | Number of Awards |  | Weighted Average Grant Date Fair Value
Nonvested at September 30, 2021 | 812 |  |  | $ | 15.72 |  |  | 18 |  |  | $ | 25.15 |
Granted | 285 |  |  | $ | 22.95 |  |  | — |  |  | $ | — |
Vested | (192) |  |  | $ | 14.24 |  |  | (3) |  |  | $ | 25.15 |
Canceled | (35) |  |  | $ | 15.50 |  |  | — |  |  | $ | — |
Nonvested at December 31, 2021 | 870 |  |  | $ | 18.42 |  |  | 15 |  |  | $ | 25.15 |

As of December 31, 2021, the total unrecognized compensation cost related to non-vested stock units was $9.5 million. The related weighted average period over which this cost is expected to be recognized is approximately 1.7 years.
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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
Our management's discussion and analysis should be read in conjunction with our Annual Report on Form 10-K for the fiscal year ended September 30, 2022, as well as our subsequent reports on Form 10-Q and Form 8-K and any amendments to these reports.
SAFE HARBOR STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995
This Form 10-Q contains certain statements that are "forward-looking statements" as that term is defined under the Private Securities Litigation Reform Act of 1995, and within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended.
Forward-Looking Statements
This discussion contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact are forward-looking statements. Words such as "assume," "believe," "anticipate," "intend," "estimate," "target," "may," "will," "expect," "plan," "potential," "project," "should," or "continue" or the negative thereof or other expressions, which are predictions of or indicate future events and trends and which do not relate to historical matters, identify forward-looking statements. Among other items, these statements relate to expectations of the business environment in which Digi operates, projections of future performance, perceived marketplace opportunities and statements regarding our mission and vision. Such statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions. Among others, these include risks related to the ongoing COVID-19 pandemic and efforts to mitigate the same, risks related to the global economic downturn that commenced during the COVID-19 pandemic and the ability of companies like us to operate a global business in such conditions, the impacts of the present global supply chain and transportation difficulties affecting business globally, the highly competitive market in which our company operates, rapid changes in technologies that may displace products sold by us, declining prices of networking products, our reliance on distributors and other third parties to sell our products, the potential for significant purchase orders to be canceled or changed, delays in product development efforts, uncertainty in user acceptance of our products, the ability to integrate our products and services with those of other parties in a commercially accepted manner, potential liabilities that can arise if any of our products have design or manufacturing defects, our ability to integrate and realize the expected benefits of acquisitions such as our recently completed acquisition of Ventus., our ability to defend or settle satisfactorily any litigation, uncertainty in global economic conditions and economic conditions within particular regions of the world which could negatively affect product demand and the financial solvency of customers and suppliers, the impact of natural disasters and other events beyond our control that could negatively impact our supply chain and customers, potential unintended consequences associated with restructuring, reorganizations or other similar business initiatives that may impact our ability to retain important employees or otherwise impact our operations in unintended and adverse ways, the ability to achieve the anticipated benefits and synergies associated with acquisitions or divestitures and changes in our level of revenue or profitability which can fluctuate for many reasons beyond our control.
These and other risks, uncertainties and assumptions identified from time to time in our filings with the United States Securities and Exchange Commission, including without limitation, our Annual Report on Form 10-K for the year ended September 30, 2022, this filing on Form 10-Q and other filings, could cause our actual results to differ materially from those expressed in any forward-looking statements made by us or on our behalf. Many of such factors are beyond our ability to control or predict. These forward-looking statements speak only as of the date for which they are made. We disclaim any intent or obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise.
CRITICAL ACCOUNTING POLICIES AND ESTIMATES
Our discussion and analysis of our financial condition and results of operations are based upon our condensed consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of our condensed consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, the disclosure of contingent assets and liabilities and the values of purchased assets and assumed liabilities in acquisitions. We base our estimates on historical experience and various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates.
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A description of our critical accounting policies and estimates was provided in the Management's Discussion and Analysis of Financial Condition and Results of Operations section of our Annual Report on Form 10-K for the fiscal year ended September 30, 2022.
OVERVIEW
We are a leading global provider of business and mission-critical IoT connectivity products, services and solutions. Our business is comprised of two reporting segments: IoT Products & Services and IoT Solutions.
Our IoT Products & Services segment offers products and services that help original equipment manufacturers ("OEMs"), enterprise and government customers create and deploy, secure IoT connectivity solutions. From embedded and wireless modules to console servers as well as enterprise and industrial routers, we provide a wide variety of communication sub-assemblies and finished products to meet our customers' IoT communication requirements. In addition, this segment provides our customers with a device management platform and other professional services to enable customers to capture and manage data from devices connected to networks.
On October 7, 2020, our Board of Directors approved a reorganization of our IoT Products & Services business segment. The restructuring plan aligned the business segment's organization around product lines, each with a segment manager. Under this plan, we recorded charges of $1.0 million for employee termination charges and eliminated 19 employment positions primarily in the U.S. during the first half of fiscal 2021. We have grouped our products under the following categories: Cellular Routers, Console Servers, OEM Solutions and Infrastructure Management. Consequently, the measure of segment operating profit used by our chief operating decision maker ("CODM") changed. As a result, our disclosed measure of segment operating income has been updated. For further detail on segment performance, see the Revenue by Segment, Cost of Goods Sold and Gross Profit by Segment and Operating Income sections of this Item 2.
Our IoT Solutions segment primarily consists of our SmartSense by Digi® and Ventus operating segments. SmartSense offers wireless temperature and other condition-based monitoring services as well as employee task management services. These solutions are focused on the following vertical markets: food service, healthcare (primarily pharmacies and hospitals) and supply chain. We initially formed, expanded and enhanced our SmartSense by Digi business through four acquisitions.Our recent acquisition of Ventus makes us a leader in the provision of Managed Network-as-a-Service ("MNaaS") solutions that simplify the complexity of enterprise wide area network ("WAN") connectivity for our customers and provides us with a significant base of high margin subscription based recurring revenue. Ventus’s portfolio includes cellular wireless and fixed line WAN solutions for an array of connectivity applications in banking, healthcare, retail, gaming, hospitality and other sectors.
We compete for customers on the basis of existing and planned product features, service and software application capabilities, company reputation, brand recognition, technical support, alliance relationships, quality and reliability, product development capabilities, price and availability.
In fiscal 2022, our key operating objectives include:
•continued growth of our SmartSense by Digi® and Ventus businesses that are the base of our IoT Solutions segment;
•delivering growth within our IoT Products & Services segment through new product introductions; and
•integration of our recently acquired Ventus business.
We utilize many financial, operational, and other metrics to evaluate our financial condition and financial performance. Below we highlight the metrics for the first quarter of fiscal 2022 that we feel are most important in these evaluations:
•Consolidated revenue was $84.3 million, an increase of 15% over the first quarter of fiscal 2021.
•Consolidated gross profit was $47.9 million, an increase of 17% over the first quarter of fiscal 2021.
•Consolidated operating income was $3.8 million, compared to a net operating loss of $0.1 million for the first quarter of fiscal 2021.
•Net income was $1.2 million, compared to a net loss of $0.3 million in the first fiscal quarter of fiscal 2021.
•Diluted earnings (loss) per share was $0.03, compared to $(0.01).
•Adjusted EBITDA was $17.0 million, or 20.1% of total revenue, compared to $13.0 million, or 17.7% of total revenue
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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)
in the first fiscal quarter of fiscal 2021.
•Adjusted net income and adjusted net income per share was $12.7 million, or $0.36 per diluted share, compared to $9.9 million, or $0.32 per diluted share in the first fiscal quarter of fiscal 2021, an increase of 13%.
Recent Events Impacting First Quarter Results
Acquisition of Ventus
On November 1, 2021, we acquired Ventus for approximately $350 million in cash. The acquisition was funded through a combination of cash on hand and debt financing under an amended and restated credit facility committed by BMO Harris Bank N.A (see Note 7). In the first quarter of fiscal 2022, the preliminary purchase price allocation was recorded , including related determinations of fair value and income tax implications. As a result, we recorded $117 million of goodwill on our condensed consolidated balance sheets. The results of operations following the acquisition date are now included in our first fiscal quarter 2022 results within our IoT Solutions segment.
CONSOLIDATED RESULTS OF OPERATIONS
The following table sets forth selected information derived from our interim condensed consolidated statements of operations:

| Three months ended December 31, | % incr. |  |  |
($ in thousands) | 2021 |  | 2020 | (decr.) |  |  |  |  |
Revenue | $ | 84,257 |  |  | 100.0 | % |  | $ | 73,146 |  |  | 100.0 | % | 15.2 | % |  |  |  |  |  |  |  |  |
Cost of sales | 36,376 |  |  | 43.2 |  |  | 32,127 |  |  | 43.9 |  | 13.2 |  |  |  |  |  |  |  |  |  |
Gross profit | 47,881 |  |  | 56.8 |  |  | 41,019 |  |  | 56.1 |  | 16.7 |  |  |  |  |  |  |  |  |  |
Operating expenses | 44,082 |  |  | 52.3 |  |  | 41,165 |  |  | 56.3 |  | 7.1 |  |  |  |  |  |  |  |  |  |
Operating income | 3,799 |  |  | 4.4 |  |  | (146) |  |  | (0.2) |  | NM |  |  |  |  |  |  |  |  |
Other expense, net | (5,000) |  |  | (5.9) |  |  | (594) |  |  | (0.8) |  | NM |  |  |  |  |  |  |  |  |
Income before income taxes | (1,201) |  |  | (1.4) |  |  | (740) |  |  | (1.0) |  | 62.3 | % |  |  |  |  |  |  |  |  |
Income tax benefit | (2,388) |  |  | (2.8) |  |  | (433) |  |  | (0.6) |  | NM |  |  |  |  |  |  |  |  |
Net income (loss) | $ | 1,187 |  |  | 1.4 | % |  | $ | (307) |  |  | (0.4) | % | NM |  |  |  |  |  |  |  |  |

REVENUE BY SEGMENT

| Three months ended December 31, |  | % incr. |  |  |
($ in thousands) | 2021 |  | 2020 |  | (decr.) |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IoT Products & Services | $ | 65,744 |  |  | 78.0 | % |  | $ | 61,780 |  |  | 84.5 | % |  | 6.4 | % |  |  |  |  |  |  |  |  |
IoT Solutions | 18,513 |  |  | 22.0 |  |  | 11,366 |  |  | 15.5 |  |  | 62.9 |  |  |  |  |  |  |  |  |  |
Total revenue | $ | 84,257 |  |  | 100.0 | % |  | $ | 73,146 |  |  | 100.0 | % |  | 15.2 | % |  |  |  |  |  |  |  |  |

IoT Products & Services
IoT Products & Services revenue increased 6.4% for the three months ended December 31, 2021 as compared to the same period in the prior fiscal year. This primarily was a result of:
•increased sales of our Cellular and OEM products.
This increase was partially offset by:
•decreased sales of our Console Servers, Infrastructure Management portfolio and Technical Services.
IoT Solutions
IoT Solutions revenue increased 62.9% for the three months ended December 31, 2021, as compared to the same periods in the prior fiscal year. This primarily was a result of:
•increased recurring revenue from our November 2021 acquisition of Ventus, as well as growth in both SmartSense and Ventus in the first fiscal quarter; and
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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)
•an increase in sites serviced primarily as a result of our acquisition of Ventus, as we service nearly 271,000 sites as of December 31, 2021, including the newly acquired Ventus endpoints, compared to 75,000 sites as of December 31, 2020.
This increase was partially offset by:
•decreased customer implementation sales in SmartSense.
COST OF GOODS SOLD AND GROSS PROFIT BY SEGMENT

| Three months ended December 31, |  | Basis point |  |  |  |
($ in thousands) | 2021 |  | 2020 |  | inc. (decr.) |  |  |  |  |  |
Cost of Goods Sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IoT Products & Services | $ | 30,069 |  |  | 45.7 | % |  | $ | 26,101 |  |  | 42.2 | % |  | (349) |  |  |  |  |  |  |  |  |  |  |
IoT Solutions | 6,307 |  |  | 34.1 | % |  | 6,026 |  |  | 53.0 | % |  | 1,895 |  |  |  |  |  |  |  |  |  |  |
Total cost of goods sold | $ | 36,376 |  |  | 43.2 | % |  | $ | 32,127 |  |  | 43.9 | % |  | 72 |  |  |  |  |  |  |  |  |  |  |

| Three months ended December 31, |  | Basis point |  |  |  |
($ in thousands) | 2021 |  | 2020 |  | inc. (decr.) |  |  |  |  |  |
Gross Profit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IoT Products & Services | 35,675 |  |  | 54.3 | % |  | 35,679 |  |  | 57.8 | % |  | 349 |  |  |  |  |  |  |  |  |  |  |
IoT Solutions | 12,206 |  |  | 65.9 | % |  | 5,340 |  |  | 47.0 | % |  | (1,895) |  |  |  |  |  |  |  |  |  |  |
Total gross profit | $ | 47,881 |  |  | 56.8 | % |  | $ | 41,019 |  |  | 56.1 | % |  | (72) |  |  |  |  |  |  |  |  |  |  |

IoT Product & Services
IoT Products & Services gross profit margin decreased 349 basis points for the three months ended December 31, 2021 as compared to the same period in the prior fiscal year. This decrease primarily was a result of:
•changes in product and customer mix and increased production and distribution costs due to the continuing supply chain challenges.
IoT Solutions
The IoT Solutions gross profit margin increased (1,895) basis points for the three months ended December 31, 2021 as compared to the same periods in the prior fiscal year. This increase primarily was a result of:
•increased recurring subscription revenue, including growth from the acquisition of Ventus, which typically has high gross margin.
OPERATING EXPENSES
Below is our operating expenses and operating expenses as a percentage of total revenue:

| Three months ended December 31, |  | $ |  | % |  |  |  |  |  |
($ in thousands) | 2021 |  | 2020 |  | incr. (decr.) |  | incr. (decr.) |  |  |  |  |  |  |  |
Operating Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales and marketing | $ | 15,319 |  |  | 18.2 | % |  | $ | 14,924 |  |  | 20.4 | % |  | $ | 395 |  |  | 2.6 |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development | 13,412 |  |  | 15.9 | % |  | 11,093 |  |  | 15.2 | % |  | 2,319 |  |  | 20.9 |  |  |  |  |  |  |  |  |  |  |  |  |
General and administrative | 15,242 |  |  | 18.1 | % |  | 14,415 |  |  | 19.7 | % |  | 827 |  |  | 5.7 |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring charge | 109 |  |  | 0.1 | % |  | 733 |  |  | 1.0 | % |  | (624) |  |  | (85.1) |  |  |  |  |  |  |  |  |  |  |  |  |
Total operating expenses | $ | 44,082 |  |  | 52.3 | % |  | $ | 41,165 |  |  | 56.3 | % |  | $ | 2,917 |  |  | 7.1 |  |  |  |  |  |  |  |  |  |  |  |  |

NM means not meaningful
The $2.9 million increase in operating expenses in the first quarter of fiscal 2022 from the first quarter of fiscal 2021 primarily was the result of:
• an incremental $3.3 million in M&A expense related to the Ventus acquisition in November 2021; and
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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)
•$4.7 million in incremental operating expenses from recent acquisitions including Haxiot, Ctek and Ventus.
These increases were partially offset by:
•a decrease of $5.8 million in contingent consideration expenses; and
•A decrease of $0.6 million in restructuring charges.
OPERATING INCOME (LOSS)
Operating income was $3.8 million for the three months ended December 31, 2021, compared to an operating loss of $0.1 million for the three months ended December 31, 2020.
IoT Product & Services provided operating income of $4.1 million for the three months ended December 31, 2021 compared to $1.3 million for the three months ended December 31, 2020, an increase of $2.8 million, or 224.3%. Drivers for the changes in operating income for the quarter are described above in the revenue, gross profit and operating expenses details.
IoT Solutions had an operating loss of $(0.3) million for the three months ended December 31, 2021 compared to an operating loss of $(1.4) million for the three months ended December 31, 2020, an increase of $1.1 million, or (77.6)%. Drivers for the improvement in operating loss are described above in the revenue, gross profit and operating expenses details.
OTHER EXPENSE, NET

| Three months ended December 31, |  | $ |  | % |  |  |  |  |  |
($ in thousands) | 2021 |  | 2020 |  | incr. (decr.) |  | incr. (decr.) |  |  |  |  |  |  |  |
Other expense, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income | $ | 5 |  |  | — | % |  | $ | — |  |  | — | % |  | $ | 5 |  |  | NM |  |  |  |  |  |  |  |  |  |  |  |
Interest expense | (4,903) |  |  | (5.8) | % |  | (402) |  |  | (0.5) | % |  | (4,501) |  |  | NM |  |  |  |  |  |  |  |  |  |  |  |
Other expense, net | (102) |  |  | (0.1) | % |  | (192) |  |  | (0.3) | % |  | 90 |  |  | NM |  |  |  |  |  |  |  |  |  |  |  |
Total other expense, net | $ | (5,000) |  |  | (5.9) | % |  | $ | (594) |  |  | (0.8) | % |  | $ | (4,406) |  |  | NM |  |  |  |  |  |  |  |  |  |  |  |

NM means not meaningful
Other expense, net, increased $(4.4) million for the three months ended December 31, 2021, as compared to the same period in the prior fiscal year. The increase was primarily a result of an increase to our interest expense as we refinanced our revolving loan with a new credit facility in November 2021 and wrote off a portion of the deferred financing fees associated with our prior credit facility. (see Note 7 to the condensed consolidated financial statements).
INCOME TAXES
See Note 1 0 to the condensed consolidated financial statements for discussion of income taxes.
NON-GAAP FINANCIAL INFORMATION
This report includes adjusted net income, adjusted net income per diluted share and adjusted earnings before interest, taxes and amortization ("Adjusted EBITDA"), each of which is a non-GAAP financial measure.
Non-GAAP measures are not substitutes for GAAP measures for the purpose of analyzing financial performance. The disclosure of these measures does not reflect all charges and gains that were actually recognized by Digi. These non-GAAP measures are not in accordance with, or, an alternative for measures prepared in accordance with GAAP and may be different from non-GAAP measures used by other companies or presented by us in prior reports. In addition, these non-GAAP measures are not based on any comprehensive set of accounting rules or principles. We believe that non-GAAP measures have limitations in that they do not reflect all of the amounts associated with our results of operations as determined in accordance with GAAP. We believe these measures should only be used to evaluate our results of operations in conjunction with the corresponding GAAP measures. Additionally, Adjusted EBITDA does not reflect our cash expenditures, the cash requirements for the replacement of depreciated and amortized assets, or changes in or cash requirements for our working capital needs.
We believe that providing historical and adjusted net income and adjusted net income per diluted share, respectively, exclusive of such items as reversals of tax reserves, discrete tax benefits, restructuring charges and reversals, intangible amortization,
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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)
stock-based compensation, other non-operating income/expense, adjustments to estimates of contingent consideration, acquisition-related expenses and interest expense related to acquisition permits investors to compare results with prior periods that did not include these items. Management uses the aforementioned non-GAAP measures to monitor and evaluate ongoing operating results and trends and to gain an understanding of our comparative operating performance. In addition, certain of our stockholders have expressed an interest in seeing financial performance measures exclusive of the impact of these matters, which while important, are not central to the core operations of our business. Management believes that Adjusted EBITDA, defined as EBITDA adjusted for stock-based compensation expense, acquisition-related expenses, restructuring charges and reversals and changes in fair value of contingent consideration is useful to investors to evaluate our core operating results and financial performance because it excludes items that are significant non-cash or non-recurring expenses reflected in the consolidated statements of operations. We believe that the presentation of Adjusted EBITDA as a percentage of revenue is useful because it provides a reliable and consistent approach to measuring our performance from year to year and in assessing our performance against that of other companies. We believe this information helps compare operating results and corporate performance exclusive of the impact of our capital structure and the method by which assets were acquired.
Below are reconciliations from GAAP to Non-GAAP information that we feel is important to our business:
Reconciliation of Net Income to Adjusted EBITDA
(In thousands)

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
|  |  | % of total revenue |  |  |  | % of total revenue |  |  |  |  |  |  |  |
Total revenue | $ | 84,257 |  |  | 100.0 | % |  | $ | 73,146 |  |  | 100.0 | % |  |  |  |  |  |  |  |
Net income | $ | 1,187 |  |  |  |  | $ | (307) |  |  |  |  |  |  |  |  |  |  |
Interest expense, net | 4,898 |  |  |  |  | 402 |  |  |  |  |  |  |  |  |  |  |
Income tax benefit | (2,388) |  |  |  |  | (433) |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization | 7,862 |  |  |  |  | 5,050 |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation | 2,017 |  |  |  |  | 1,745 |  |  |  |  |  |  |  |  |  |  |
Changes in fair value of contingent consideration | — |  |  |  |  | 5,772 |  |  |  |  |  |  |  |  |  |  |
Restructuring charge | 109 |  |  |  |  | 733 |  |  |  |  |  |  |  |  |  |  |
Acquisition expense | 3,285 |  |  |  |  | 15 |  |  |  |  |  |  |  |  |  |  |
Adjusted EBITDA | $ | 16,970 |  |  | 20.1 | % |  | $ | 12,977 |  |  | 17.7 | % |  |  |  |  |  |  |  |

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)
Reconciliation of Net Income and Net Income (Loss) per Diluted Share to
Adjusted Net Income and Adjusted Net Income per Diluted Share
(In thousands, except per share amounts)

| Three months ended December 31, |  |
| 2021 |  | 2020 |  |  |  |
Net income (loss) and net income (loss) per diluted share | $ | 1,187 |  |  | $ | 0.03 |  |  | $ | (307) |  |  | $ | (0.01) |  |  |  |  |  |  |  |  |
Amortization | 6,309 |  |  | 0.18 |  |  | 3,961 |  |  | 0.13 |  |  |  |  |  |  |  |  |
Stock-based compensation | 2,017 |  |  | 0.06 |  |  | 1,745 |  |  | 0.06 |  |  |  |  |  |  |  |  |
Other non-operating expense | 102 |  |  | — |  |  | 192 |  |  | 0.01 |  |  |  |  |  |  |  |  |
Acquisition expense | 3,285 |  |  | 0.09 |  |  | 15 |  |  | — |  |  |  |  |  |  |  |  |
Changes in fair value of contingent consideration | — |  |  | — |  |  | 5,772 |  |  | 0.19 |  |  |  |  |  |  |  |  |
Restructuring charge | 109 |  |  | — |  |  | 733 |  |  | 0.02 |  |  |  |  |  |  |  |  |
Interest expense related to acquisition | 4,898 |  |  | 0.14 |  |  | 402 |  |  | 0.01 |  |  |  |  |  |  |  |  |
Tax effect from the above adjustments (1) | (3,006) |  |  | (0.08) |  |  | (2,355) |  |  | (0.08) |  |  |  |  |  |  |  |  |
Discrete tax benefits (2) | (2,175) |  |  | (0.06) |  |  | (252) |  |  | (0.01) |  |  |  |  |  |  |  |  |
Adjusted net income and adjusted net income per diluted share (3) | $ | 12,726 |  |  | $ | 0.36 |  |  | $ | 9,906 |  |  | $ | 0.32 |  |  |  |  |  |  |  |  |
Diluted weighted average common shares |  |  | 35,767 |  |  |  | 30,532 |  |  |  |  |  |  |  |

(1)The tax effect from the above adjustments assumes an estimated effective tax rate of 18.0% for fiscal 2022 and fiscal 2021 based on adjusted net income.
(2)For the three months ended December 31, 2021, discrete tax benefits primarily are a result of excess tax benefits recognized on stock compensation. For the three months ended December 31, 2020, discrete tax benefits primarily are a result of excess tax benefits recognized on stock compensation.
(3)Adjusted net income per diluted share may not add due to the use of rounded numbers.
LIQUIDITY AND CAPITAL RESOURCES
Historically we have financed our operations and capital expenditures principally with funds generated from operations. Our liquidity requirements arise from our working capital needs, and to a lesser extent, our need to fund capital expenditures to support our current operations and facilitate growth and expansion.
On November 1, 2021, we entered into a second amended and restated credit agreement consisting of a $350 million term loan B secured loan and a $35 million revolving credit facility. The $35 million revolving credit facility, which presently has no outstanding balance, includes a $10 million letter of credit subfacility and $10 million swingline subfacility. During the first quarter of fiscal 2022, we repaid all outstanding balances under the credit facility entered into on March 21, 2021. As of December 31, 2021, $35.0 million remained available under the Revolving Loan, which included $10 million available for a letter of credit subfacility and $10 million available under a swingline subfacility, the outstanding amounts of which decrease the available commitment. For additional information regarding the terms of our Credit Facility, including the Revolving Loan and its subfacilities, see Note 7 to our condensed consolidated financial statements.
We expect positive cash flows from operations for the foreseeable future. Our first fiscal quarter operating cash flows were negatively impacted by changes in operating assets and liabilities (net of acquisitions) that we do not anticipate in future periods. We believe that our current cash and cash equivalents balances, cash generated from operations and our ability to borrow under our credit facility will be sufficient to fund our business operations and capital expenditures for the next twelve months and beyond. As follows, our condensed consolidated statements of cash flows for the three months ended December 31, 2021 and 2020 is summarized:

|  | Year ended September 30,
($ in thousands) |  | 2021 |  | 2020
Operating activities |  | $ | (9,885) |  |  | $ | 8,312 |
Investing activities |  | (348,047) |  |  | (777) |
Financing activities |  | 252,724 |  |  | (12,793) |
Effect of exchange rate changes on cash and cash equivalents |  | (36) |  |  | 392 |
Net increase (decrease) in cash and cash equivalents |  | $ | (105,244) |  |  | $ | (4,866) |

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)
Cash flows used for operating activities increased $18.2 million primarily as a result of:
•an increased reduction in operating assets and liabilities (net of acquisitions) of $18.2 million. This primarily was due to the capitalization of $13.5 million in costs related to the issuance of debt in November and an increase in inventory and;
•a reduction of $5.8 million in contingent consideration fair value changes,
•partially offset by increases in net income, depreciation and amortization expenses and stock-based compensation expenses.
Cash flows used for investing activities increased $347.3 million primarily as a result of:
•an increase of $347.6 million related to the purchase of our November 2021 acquisition of Ventus (see Note 2 to the condensed consolidated financial statements),
•a partial offset to this increase was a reduction of $0.3 million related to purchases of property, equipment, and facilities improvements compared to the prior fiscal year.
Cash flows from financing activities increased $265.5 million primarily as a result of:
•an increase of $350.0 million in proceeds from the Term Loan issued in November 2021 partially offset by payments of $45.8 million of the previous credit facility, an early payment of $50.0 million on the new issuance and the payment of compared to $15.6 million in debt payments in first fiscal quarter 2020 (see Note 7 to the condensed consolidated financial statements),
•partially offset by a $4.6 million increase in taxes paid for net share settlements.
CONTRACTUAL OBLIGATIONS
The following table summarizes our contractual obligations at December 31, 2021:

|  | Payments due by fiscal period
($ in thousands) |  | Total |  | Less than 1 year |  | 1-3 years |  | 3-5 years |  | Thereafter
Operating leases |  | $ | 23,999 |  |  | $ | 2,910 |  |  | $ | 6,849 |  |  | $ | 5,411 |  |  | $ | 8,829 |
Contingent consideration |  | $ | 6,200 |  |  | $ | 6,100 |  |  | $ | 100 |  |  | $ | — |  |  | $ | — |
Term Loan |  | $ | 300,000 |  |  | $ | 13,125 |  |  | $ | 35,000 |  |  | $ | 35,000 |  |  | $ | 216,875 |
Interest on long-term debt |  | $ | 85,912 |  |  | $ | 16,155 |  |  | $ | 27,140 |  |  | $ | 23,829 |  |  | $ | 18,788 |
Total |  | $ | 416,111 |  |  | $ | 38,290 |  |  | $ | 69,089 |  |  | $ | 64,240 |  |  | $ | 244,492 |

The operating lease agreements included above primarily relate to office space. The table above does not include possible payments for uncertain tax positions. Our reserve for uncertain tax positions, including accrued interest and penalties, was $2.9 million as of December 31, 2021. Due to the nature of the underlying liabilities and the extended time often needed to resolve income tax uncertainties, we cannot make reliable estimates of the amount or timing of future cash payments that may be required to settle these liabilities. The above table also does not include those obligations for royalties under license agreements as these royalties are calculated based on future sales of licensed products and we cannot make reliable estimates of the amount of cash payments.
RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS
For information on new accounting pronouncements, see Note 1 to our condensed consolidated financial statements.
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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
We are exposed to ongoing market risk related to changes in interest rates and foreign currency exchange rates.
INTEREST RATE RISK
We are exposed to market risks related to fluctuations in interest rates on amounts borrowed under the Credit Facility. As of December 31, 2021, we had $300.0 million outstanding under our Term Loan. Borrowings under the Term Loan Facility bear interest at a rate per annum equal to LIBOR with a floor of 0.50% for an interest period of one, three or six months as selected by Digi, reset at the end of the selected interest period (or a replacement benchmark rate if LIBOR is no longer available) plus 5.00% or a base rate plus 4.00%. The base rate is determined by reference to the highest of BMO’s prime rate, the Federal Funds Effective Rate plus 0.5%, or the one-month LIBOR for U.S. dollars plus 1.00%. The applicable margin for loans under the Revolving Credit Facility is in a range of 4.00-3.75% for LIBOR loans and 3.00 to 2.75% for base rate loans, depending on Digi’s consolidated leverage ratio. Based on the balance sheet position for the Revolving Loan at December 31, 2021, the annualized effect of a 25 basis point change in interest rates would increase or decrease our interest expense by $0.8 million. For additional information, see Note 7 to our condensed consolidated financial statements. For our Credit Facility, interest rate changes generally do not affect the fair value of the debt instruments, but do impact future earnings and cash flows, assuming other factors are held constant.
FOREIGN CURRENCY RISK
We are not exposed to foreign currency transaction risk associated with sales transactions as the majority of our sales are denominated in U.S. Dollars. We are exposed to foreign currency translation risk as the financial position and operating results of our foreign subsidiaries are translated into U.S. Dollars for consolidation. We manage our net asset or net liability position for non-functional currency accounts, primarily the U.S. Dollar accounts in our foreign locations to reduce our foreign currency risk. We have not implemented a formal hedging strategy.
A 10% change in the average exchange rate for the Euro, British Pound, Japanese Yen and Canadian Dollar to the U.S. Dollar during the first three months of fiscal 2022 would have resulted in a 0.8% increase or decrease in stockholders' equity due to foreign currency translation.
CREDIT RISK
We have exposure to credit risk related to our accounts receivable portfolio. Exposure to credit risk is controlled through regular monitoring of customer financial status, credit limits and collaboration with sales management and customer contacts to facilitate payment.
ITEM 4. CONTROLS AND PROCEDURES
EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES
As of the end of the period covered by this report, we conducted an evaluation, under the supervision and with the participation of the Chief Executive Officer and Chief Financial Officer, of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934 (the "Exchange Act")). Based on this evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act was recorded, processed, summarized and reported within the time periods specified in SEC rules and forms and is accumulated and communicated to our management, including the principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.
CHANGES IN INTERNAL CONTROL OVER FINANCIAL REPORTING
There were no changes in our internal control over financial reporting that occurred during the three months ended December 31, 2021 that have materially affected, or are reasonably likely to affect, our internal control over financial reporting.
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PART II. OTHER INFORMATION
ITEM 1. LEGAL PROCEEDINGS
The disclosure set forth in Note 1 3 to the condensed consolidated financial statements in Part I, Item 1 of this Form 10-Q is incorporated herein by reference.
ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
The following table presents the information with respect to purchases made by or on behalf of Digi International Inc. or any "affiliated purchaser" (as defined in Rule 10b-18(a)(3) under the Securities Exchange Act of 1934), of our common stock during the first quarter of fiscal 2022:

Period |  | Total Number of Shares Purchased(1) |  | Average Price Paid per Share |  | Total Number of Shares Purchased as Part of a Publicly Announced Program |  | Maximum Dollar Value of Shares that May Yet Be Purchased Under the Program
October 1, 2021 - October 31, 2021 |  | — |  |  | $ | — |  |  | — |  |  | $ | — |
November 1, 2021 - November 30, 2021 |  | 59,374 |  |  | $ | 23.88 |  |  | — |  |  | $ | — |
December 1, 2021 - December 31, 2021 |  | 546,473 |  |  | $ | 22.77 |  |  | — |  |  | $ | — |
|  | 605,847 |  | $ | 22.46 |  |  | — |  |  | $ | — |

(1) All shares reported were forfeited by employees in connection with the satisfaction of tax withholding obligations related to the vesting of restricted stock units and cashless exercises of stock options.
ITEM 3. DEFAULTS UPON SENIOR SECURITIES
None.
ITEM 4. MINE SAFETY DISCLOSURES
None.
ITEM 5. OTHER INFORMATION
None.
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ITEM 6. EXHIBITS

Exhibit No. | Description | Method of Filing
3 |  | (a) | Restated Certificate of Incorporation of the Company, as amended (1) | Incorporated by Reference
3 |  | (b) | Amended and Restated By-Laws of the Company (2) | Incorporated by Reference
10 | (a) | Purchase Agreement dated as of November 1, 2021 by and among Keith Charette, Steven Glaser, The Keith R. Charette DE Incomplete – Gift Non-Grantor Trust, Ventus Networks, LLC, Ventus Holdings, LLC, Ventus IP Holdings, LLC, Ventus Wireless Services, Inc., Ventus Wireless CA, Inc., VClipz, Inc., and Digi International Inc. (3) | Incorporated by Reference
10 | (b) | Second Amended and Restated Credit Agreement dated as of November 1, 2021, by and among Digi International Inc., as the Borrower, BMO Harris Bank N.A., as administrative agent and collateral agent, BMO Capital Markets Corp., as sole lead arranger and book runner, and the other lenders from time to time party thereto. (4) | Incorporated by Reference
10 | (c) | Third Amended and Restated Credit Agreement dated December 22, 2021, by and among Digi International Inc. as the Borrower, BMO Harris Bank N.A., as the administrative agent and collateral agent, BMO Capital Markets Corp, as the sole lead arranger and book runner, and other lenders from time-to-time party thereto. (5) | Incorporated by Reference
10 | (d) | Digi International Inc. 2021 Omnibus Incentive Plan, as amended and restated (6) | Incorporated by Reference
31 |  | (a) | Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer | Filed Electronically
31 |  | (b) | Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer | Filed Electronically
32 |  |  | Section 1350 Certification | Filed Electronically
101 |  |  | The following materials from Digi International Inc.'s Quarterly Report on Form 10-Q for the fiscal period ended December 31, 2021, as filed with the Security and Exchange Commission, formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) Condensed Consolidated Statements of Operations; (ii) Condensed Consolidated Statements of Comprehensive Income; (iii) Condensed Consolidated Balance Sheets; (iv) Condensed Consolidated Statements of Cash Flows; (v) Condensed Consolidated Statements of Stockholders' Equity; and (vi) the Notes to the Condensed Consolidated Financial Statements. | Filed Electronically
104 |  |  | The cover page from Digi International Inc.'s Quarterly Report on Form 10-Q for the period ended December 30, 2021 is formatted in iXBRL (included in Exhibit 101). |

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* Schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. Digi agrees to furnish to the Commission a copy of any omitted schedule upon request.
** Management contract or compensatory plan or arrangement required to be filed as an exhibit to this Form 10-Q.
(1)Incorporated by reference to Exhibit 3(a) to the Company's Annual Report on Form 10-K for the year ended September 30, 1993.
(2)Incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on April 30, 2020.
(3)Incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K filed on November 2, 2021.
(4)Incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on November 2, 2021.
(5)Incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on December 23, 2021.
(6)Incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on February 2, 2022.
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Table of Contents
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned thereunto duly authorized.

|  | DIGI INTERNATIONAL INC. |
Date: | February 4, 2022 | By: | /s/ James J. Loch |
|  |  | James J. Loch |
|  |  | Senior Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer and Authorized Officer) |

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