
	Class A Shares	Class B Shares	Class C Shares
Outstanding at December 31, 2021	194,192,777	46,645,514	534,596,831
Conversion of AAP Management Units (1)	—	205,024	—
Exchange Right exercises (1)	35,700	(35,700)	—
Redemption Right exercises (1)	—	(11,957)	11,957
Repurchase of common units by a subsidiary under the Common Equity Repurchase Program	—	—	(2,375,299)
Other	—	—	51,937
Outstanding at March 31, 2022	194,228,477	46,802,881	532,285,426
Conversion of AAP Management Units (1)	—	53,023	—


Repurchase of common units by a subsidiary under Common Equity Repurchase Program	—	—	(4,876,062)
Other	—	—	147,830
Outstanding at June 30, 2022	194,228,477	46,855,904	527,557,194


	Class A Shares	Class B Shares	Class C Shares
Outstanding at December 31, 2020	194,051,436	50,640,192	547,717,762
Conversion of AAP Management Units (1)	—	414,608	—
Exchange Right exercises (1)	46,879	(46,879)	—
Redemption Right exercises (1)	—	(229,931)	229,931
Repurchase of common units by a subsidiary under the Common Equity Repurchase Program	—	—	(350,000)
Other	—	—	25,431
Outstanding at March 31, 2021	194,098,315	50,777,990	547,623,124
Exchange Right exercises (1)	25,554	(25,554)	—
Redemption Right exercises (1)	—	(535,009)	535,009
Repurchase of common units by a subsidiary under Common Equity Repurchase Program	—	—	(4,940,592)
Other	—	—	256,321
Outstanding at June 30, 2021	194,123,869	50,217,427	543,473,862

(1)See Note 12 to our Consolidated Financial Statements included in Part IV of our 2021 Annual Report on Form 10-K for information regarding conversions of AAP Management Units, Exchange Rights and Redemption Rights.

The following table details distributions to our Class A shareholders paid during or pertaining to the first six months of 2022 (in millions, except per share data):


Distribution Payment Date	Distributions to Class A Shareholders		Distributions per Class A Share

August 12, 2022 (1)	$	42	$	0.2175
May 13, 2022	$	42	$	0.2175
February 14, 2022	$	35	$	0.1800

As of June 30, 2022, noncontrolling interests in our subsidiaries consisted of (i) limited partner interests in PAA including a 69% interest in PAA’s common units and PAA’s Series A preferred units combined and 100% of PAA’s Series B preferred units, (ii) an approximate 19% limited partner interest in AAP, (iii) a 35% interest in Plains Oryx Permian Basin LLC (the “Permian JV”) and (iv) a 33% interest in Red River Pipeline Company LLC (“Red River LLC”).

PAA repurchased 7.3 million and 5.3 million common units under the Common Equity Repurchase Program (the “Program”) through open market purchases that settled during the six months ended June 30, 2022 and 2021, respectively, for a total purchase price of $74 million and $53 million, respectively, including commissions and fees. The repurchased PAA common units were canceled immediately upon acquisition, as were the Class C shares held by PAA associated with the repurchased common units. At June 30, 2022, the remaining available capacity under the Program was $198 million. See Note 12 to our Consolidated Financial Statements included in Part IV of our 2021 Annual Report on Form 10-K for additional information regarding the Program.

PAA Series A Preferred Unit Distributions. The following table details distributions to PAA’s Series A preferred unitholders paid during or pertaining to the first six months of 2022 (in millions, except per unit data):


	Series A Preferred Unitholders
Distribution Payment Date	Cash Distribution		Distribution per Unit

August 12, 2022 (1)	$	37	$	0.525
May 13, 2022	$	37	$	0.525
February 14, 2022	$	37	$	0.525

(1)Payable to unitholders of record at the close of business on July 29, 2022 for the period from April 1, 2022 through June 30, 2022. At June 30, 2022, such amount was accrued as distributions payable in “Other current liabilities” on our Condensed Consolidated Balance Sheet.

PAA Series B Preferred Unit Distributions. Distributions on PAA’s Series B preferred units are payable semi-annually in arrears on the 15th day of May and November. The following table details distributions paid to PAA’s Series B preferred unitholders (in millions, except per unit data):

At June 30, 2022, approximately $6 million of accrued distributions payable to PAA’s Series B preferred unitholders was included in “Other current liabilities” on our Condensed Consolidated Balance Sheet.

PAA Common Unit Distributions. The following table details distributions to PAA’s common unitholders paid during or pertaining to the first six months of 2022 (in millions, except per unit data):


	Distributions						Cash Distribution per Common Unit
	Common Unitholders				Total Cash Distribution
Distribution Payment Date	Public		AAP

August 12, 2022 (1)	$	99	$	53	$	152	$	0.2175
May 13, 2022	$	100	$	53	$	153	$	0.2175
February 14, 2022	$	84	$	43	$	127	$	0.1800

AAP Distributions. The following table details the distributions to AAP’s partners paid during or pertaining to the first six months of 2022 from distributions received from PAA (in millions):


	Distributions to AAP’s Partners
Distribution Payment Date	Noncontrolling Interests		PAGP		Total Cash Distribution

August 12, 2022 (1)	$	11	$	42	$	53
May 13, 2022	$	11	$	42	$	53
February 14, 2022	$	8	$	35	$	43