On September 20, 2021, we completed our acquisition of Omniome, Inc. (“Omniome”), a San Diego-based company, to obtain their proprietary short-read DNA sequencing platform capable of delivering high accuracy (the “Omniome acquisition”).

In connection with the Omniome acquisition, all outstanding equity securities of Omniome were cancelled in exchange for approximately $315.7 million in cash, 8,911,580 shares of our common stock with a fair value of $249.4 million and contingent consideration with a fair value of $168.6 million. The fair value of the 8,911,580 common shares issued was determined based on the closing market price of PacBio’s common shares on the acquisition date.

In addition, approximately $18.9 million, comprised of $7.4 million of cash, 226,811 shares of our common stock with a fair value of $6.3 million, and $5.2 million related to contingent consideration, was accounted for as a one-time post acquisition stock-based compensation expense. This stock-based compensation expense was due to accelerated vesting of Omniome stock awards in connection with the acquisition.

In connection with the acquisition, contingent consideration of $200 million (composed of $100 million in cash and $100 million in shares of our common stock) is due upon the achievement of a milestone, defined as the first commercial shipment to a customer of a nucleotide sequencing platform, comprising both an instrument and related consumables, that utilizes SBB technology. The number of shares of stock to be issued will be determined using the volume-weighted average of the trading prices of our common stock for the twenty trading days ending with and

including the trading day that is two days immediately prior to the achievement of the milestone. Of the $100 million in shares of our common stock to be issued as part of the milestone, $4.1 million was attributable to stock options issued by PacBio in replacement of Omniome’s unvested options as part of the transaction. Upon achievement of the milestone, shares will be issued not in excess of an amount equal to 19.9% of our outstanding shares of common stock on the date of closing (prior to the issuance of any shares issued in connection with the transaction or the related private placement), less 11,500,000 shares.

The contingent consideration is accounted for as a liability at fair value, with changes during each reporting period recognized in our Consolidated Statements of Operations and Comprehensive Loss. The fair value of the contingent consideration liability is calculated, with the assistance from a third-party valuation firm, using a scenario-based method which considers a range of possible outcomes and their assigned probabilities of occurrence. The potential outcomes are discounted to present value at a discount rate equal to the sum of the term-matched risk-free-interest rate plus PacBio’s credit spread.

The total consideration transferred for the acquisition is as follows (in thousands):



Total cash paid	$	315,703
Fair value of share consideration		249,435
Fair value of contingent consideration		168,574
Less: Stock-based compensation expense excluded from consideration transferred		(18,923)
Total consideration transferred	$	714,789

The acquisition was accounted for as a business combination and, accordingly, the total fair value of the consideration transferred was allocated to the tangible and intangible assets acquired and liabilities assumed based on their fair values on the acquisition date. As of December 31, 2021, the major classes of assets and liabilities to which we have allocated the total fair value of the consideration transferred were as follows (in thousands):



Cash and cash equivalents	$	15,338
Property and equipment, net		6,123
Operating lease right-of-use assets, net		18,095
In-process research and development ("IPR&D")		400,000
Goodwill		390,665
Other assets		3,203
Deferred income tax liability		(91,814)
Liabilities assumed		(26,821)
Total consideration transferred	$	714,789

During the year ended December 31, 2021, we recorded a measurement period adjustment of $1.6 million to decrease goodwill and a corresponding $0.4 million to decrease the deferred tax liability on the Consolidated Balance Sheet, and a $1.2 million decrease to our benefit from income taxes on the Consolidated Statements of Operations and Comprehensive (Loss) Income. The measurement period adjustment was due to new information that became available to us upon the completion of the IRC Section 382 Tax Study, where we identified additional net operating losses that are available to us from acquired assets. Refer to Note 9 – Income Taxes, in Part II, Item 8 of the Annual Report on Form 10-K for the year ended December 31, 2021 for more information.

The goodwill recognized was primarily attributable to the assembled workforce and synergies that are expected to occur from the integration of Omniome and is not deductible for income tax purposes.

We incurred costs related to the Omniome acquisition of approximately $11.6 million during the three and nine months ended September 30, 2021, which are included in merger-related costs on the Consolidated Statement of Operations and Comprehensive (Loss) Income. No significant merger-related costs were incurred during the three and nine months ended September 30, 2022.

The following unaudited pro forma financial information presents combined results of operations for each of the periods presented as if Omniome had been acquired as of the beginning of 2020, giving effect on a pro forma basis to the purchase accounting adjustments such as $11.6 million of PacBio acquisition-related costs, $18.9 million of stock-based compensation expense related to acceleration of certain Omniome stock options not attributable to pre-combination service, and a $92.2 million one-time income tax benefit from the reduction

of our deferred tax asset valuation allowance resulting from the Omniome acquisition, as well as a pro forma adjustment to reflect $16.7 million of Omniome’s acquisition-related costs.

The unaudited pro forma information presented below is for informational purposes only and is not necessarily indicative of the consolidated results of the combined business had the acquisition actually occurred at the beginning of 2020 or the results of future operations of the combined business.

The following table summarizes the unaudited pro forma financial information (in thousands):



	Three Months Ended		Nine Months Ended
	September 30, 2021		September 30, 2021
Pro forma total revenue	$	34,887	$	94,494
Pro forma net loss	$	(54,802)	$	(213,715)

Our consolidated financial statements include the results of operations for Omniome beginning September 20, 2021. Revenues of $0 and a net loss of $1.6 million from the acquired Omniome business have been included in our Condensed Consolidated Statement of Operations for the three and nine months ended September 30, 2021.

On July 20, 2021, we acquired Circulomics Inc. (“Circulomics”), a Maryland-based biotechnology company focused on delivering highly differentiated sample preparation products that enable genomic workflows (the “Circulomics acquisition”).

We paid $29.5 million in cash in exchange for all outstanding shares of common stock of Circulomics. We allocated the consideration transferred to the identifiable assets acquired and liabilities assumed based on their respective fair values at the date of the completion of the Circulomics acquisition. The major classes of assets and liabilities to which we have allocated the total fair value of the consideration transferred were as follows (in thousands):



Cash and cash equivalents	$	987
Property and equipment, net		214
Intangible assets		11,360
Goodwill		19,309
Other assets		467
Deferred income tax liability		(2,672)
Liabilities assumed		(118)
Total consideration transferred	$	29,547