Partnership Distributions (Tables)

12 Months Ended

Dec. 31, 2017

Distribution Made to Limited Partner [Line Items]

The Board of Directors declared the following cash distributions to WGP unitholders for the periods presented:



thousands except per-unit amounts Quarters Ended	Total Quarterly Distribution per Unit		Total Quarterly Cash Distribution		Date of Distribution
2015
March 31	$	0.34250	$	74,977	May 2015
June 30	0.36375		79,630		August 2015
September 30	0.38125		83,461		November 2015
December 31	0.40375		88,389		February 2016
2016
March 31	$	0.42375	$	92,767	May 2016
June 30	0.43375		94,958		August 2016
September 30	0.44750		97,968		November 2016
December 31	0.46250		101,254		February 2017
2017
March 31	$	0.49125	$	107,549	May 2017
June 30	0.52750		115,487		August 2017
September 30	0.53750		117,677		November 2017
December 31 ⁽¹⁾	0.54875		120,140		February 2018


⁽¹⁾	The Board of Directors declared a cash distribution to WGP unitholders for the fourth quarter of 2017 of $0.54875 per unit, or $120.1 million in aggregate. The cash distribution is payable on February 22, 2018, to WGP unitholders of record at the close of business on February 1, 2018.

Western Gas Partners, LP [Member]

Distribution Made to Limited Partner [Line Items]

Cash Distributions Tables

The Board of Directors of WES GP declared the following cash distributions to WES’s common and general partner unitholders for the periods presented:



thousands except per-unit amounts Quarters Ended	Total Quarterly Distribution per Unit		Total Quarterly Cash Distribution		Date of Distribution
2015
March 31	$	0.725	$	133,203	May 2015
June 30	0.750		139,736		August 2015
September 30	0.775		146,160		November 2015
December 31	0.800		152,588		February 2016
2016
March 31	$	0.815	$	158,905	May 2016
June 30	0.830		162,827		August 2016
September 30	0.845		166,742		November 2016
December 31	0.860		170,657		February 2017
2017
March 31	$	0.875	$	188,753	May 2017
June 30	0.890		207,491		August 2017
September 30	0.905		212,038		November 2017
December 31⁽¹⁾	0.920		216,586		February 2018

⁽¹⁾

The Board of Directors of WES GP declared a cash distribution to WES unitholders for the fourth quarter of 2017 of $0.920 per unit, or $216.6 million in aggregate, including incentive distributions, but excluding distributions on WES Class C units (see WES Class C unit distributions below). The cash distribution was paid on February 13, 2018, to WES unitholders of record at the close of business on February 1, 2018.

Western Gas Partners, LP [Member] | Series A Preferred Units [Member]

Distribution Made to Limited Partner [Line Items]

Cash Distributions Tables

The following table summarizes the Series A Preferred unitholders’ cash distributions for the periods presented:



thousands except per-unit amounts Quarters Ended	Total Quarterly Distribution per Unit		Total Quarterly Cash Distribution		Date of Distribution
2016
March 31 ⁽¹⁾	$	0.68	$	1,887	May 2016
June 30 ⁽²⁾	0.68		14,082		August 2016
September 30	0.68		14,907		November 2016
December 31	0.68		14,908		February 2017
2017
March 31	$	0.68	$	7,453	May 2017


⁽¹⁾	Quarterly per unit distribution prorated for the 18-day period during which 14,030,611 WES Series A Preferred units were outstanding during the first quarter of 2016.


⁽²⁾	Full quarterly per unit distribution on 14,030,611 WES Series A Preferred units and quarterly per unit distribution prorated for the 77-day period during which 7,892,220 WES Series A Preferred units were outstanding during the second quarter of 2016.