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Partners' Capital and Distributions (Tables) | 6 Months Ended
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Jun. 30, 2017
Partners Capital and Distributions |
Schedule of activity for Class A shares, Class B shares and Class C shares | The following tables present the activity for our Class A shares, Class B shares and Class C shares:
| Class A Shares |  | Class B Shares |  | Class C Shares
Outstanding at December 31, 2016 | 101,206,526 |  |  | 138,043,486 |  |  | 491,910,863 |
Conversion of AAP Management Units (1) | — |  |  | 1,557,860 |  |  | — |
Exchange Right exercises (1) | 2,172,236 |  |  | (2,172,236 | ) |  | — |
Redemption Right exercises (1) | — |  |  | (3,486,333 | ) |  | 3,486,333 |
Sales of Class A shares | 50,086,326 |  |  | — |  |  | — |
Sales of common units by a subsidiary | — |  |  | — |  |  | 4,033,567 |
Issuance of common units by a subsidiary for acquisition of interest in Advantage Joint Venture (Note 6) | — |  |  | — |  |  | 1,252,269 |
Issuance of Series A preferred units by a subsidiary | — |  |  | — |  |  | 2,601,300 |
Other | 7,810 |  |  | — |  |  | 122,344 |
Outstanding at June 30, 2017 | 153,472,898 |  |  | 133,942,777 |  |  | 503,406,676 |
| Class A Shares |  | Class B Shares
Outstanding at December 31, 2015 | 86,099,037 |  |  | 141,485,588 |
Conversion of AAP Management Units (1) | — |  |  | 6,742,383 |
Exchange Right exercises (1) | 14,169,317 |  |  | (14,169,317 | )
Issuance of Class A shares under LTIP | 7,811 |  |  | — |
Outstanding at June 30, 2016 | 100,276,165 |  |  | 134,058,654 |
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(1) | See Note 11 to our Consolidated Financial Statements included in Part IV of our 2016 Annual Report on Form 10-K for information regarding conversions of AAP Management Units, Exchange Rights and Redemption Rights.
Schedule of sale of Class A shares | The following table summarizes our sales of Class A shares during the six months ended June 30, 2017 (net proceeds in millions):
Type of Offering |  | Class A Shares Issued |  | Net Proceeds (1) |
Continuous Offering Program |  | 1,786,326 |  |  | $ | 61 |  | (2)
Underwritten Offering |  | 48,300,000 |  |  | 1,474 |  |
|  | 50,086,326 |  |  | $ | 1,535 |  |
(1) | Amounts are net of costs associated with the offerings.
(2) | We pay commissions to our sales agents in connection with issuances of Class A shares under our Continuous Offering Program. We paid $1 million of such commissions during the six months ended June 30, 2017.
PAA |
Partners Capital and Distributions |
Schedule of distributions | The following table details the distributions to PAA’s partners paid in cash during or pertaining to the first six months of 2017 (in millions, except per unit data):
|  | Distributions |  |  | Cash Distribution per Common Unit
|  | Common Unitholders |  | Total Cash Distribution |  |
Distribution Payment Date |  | Public |  | AAP |  |  |
August 14, 2017 (1) |  | $ | 240 |  |  | $ | 159 |  |  | $ | 399 |  |  |  | $ | 0.55 |
May 15, 2017 |  | $ | 240 |  |  | $ | 159 |  |  | $ | 399 |  |  |  | $ | 0.55 |
February 14, 2017 |  | $ | 237 |  |  | $ | 134 |  |  | $ | 371 |  |  |  | $ | 0.55 |
(1) | Payable to unitholders of record at the close of business on July 31, 2017 for the period April 1, 2017 through June 30, 2017.
AAP |
Partners Capital and Distributions |
Schedule of distributions | The following table details the distributions paid to AAP’s partners during or pertaining to the first six months of 2017 from distributions received from PAA (in millions):
|  | Distribution to AAP's Partners
Distribution Payment Date |  | Noncontrolling Interests |  | PAGP |  | Total Cash Distributions
August 14, 2017 (1) |  | $ | 75 |  |  | $ | 84 |  |  | $ | 159 |
May 15, 2017 |  | $ | 75 |  |  | $ | 84 |  |  | $ | 159 |
February 14, 2017 |  | $ | 77 |  |  | $ | 57 |  |  | $ | 134 |
___________________________________________
(1) | Payable to unitholders of record at the close of business on July 31, 2017 for the period April 1, 2017 through June 30, 2017.
Class A Shares |
Partners Capital and Distributions |
Schedule of distributions | The following table details the distributions paid to our Class A shareholders during or pertaining to the first six months of 2017 (in millions, except per share data):
Distribution Payment Date |  | Distributions to Class A Shareholders |  | Distributions per Class A Share
August 14, 2017 (1) |  | $ | 84 |  |  | $ | 0.55 |
May 15, 2017 |  | $ | 84 |  |  | $ | 0.55 |
February 14, 2017 |  | $ | 57 |  |  | $ | 0.55 |
___________________________________________
(1) | Payable to shareholders of record at the close of business on July 31, 2017 for the period April 1, 2017 through June 30, 2017.

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