DIAL CHRISTOPHER B. (SVP, GC and Secretary) exercised options at WESTERN MIDSTREAM PARTNERS, LP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises

DIAL CHRISTOPHER B.

Filed: 2/14/2023ACC: 0001423902-23-000008

InsiderDIAL CHRISTOPHER B.CIK 1729009

→

IssuerWESTERN MIDSTREAM PARTNERS, LPCIK 1423902

Officer· SVP, GC and Secretary

Since Dec 2019

+54.46K

Net shares

Net buyer

$295.3K

Total sold

Open market trades

0B · 0S

Total transactions

91.06K acquired · 36.60K disposed

Non-Derivative Transactions6

Common Units representing limited partner interests

Direct

M · Option Exercise

+11.44K

Price / share

—

Trade value

—

% of position

37.0%

2/12/2023

30.94K→42.38K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−4.67K

Price / share

$28.26

Trade value

$131.89K

% of position

11.0%

2/12/2023

42.38K→37.71K

Common Units representing limited partner interests

Direct

M · Option Exercise

+8.92K

Price / share

—

Trade value

—

% of position

23.7%

2/12/2023

37.71K→46.63K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−3.51K

Price / share

$28.26

Trade value

$99.19K

% of position

7.5%

2/12/2023

46.63K→43.12K

Common Units representing limited partner interests

Direct

M · Option Exercise

+5.78K

Price / share

—

Trade value

—

% of position

13.4%

2/12/2023

43.12K→48.90K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−2.27K

Price / share

$28.26

Trade value

$64.26K

% of position

4.6%

2/12/2023

48.90K→46.63K

Total

Net shares

+15.69K

Net value

-$295.35K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Units representing limited partner interests Direct	2/12/2023	M · Option Exercise	+11.44K	—	—	37.0%	30.94K	42.38K
Common Units representing limited partner interests Direct	2/12/2023	F · Tax Withholding	−4.67K	$28.26	$131.89K	11.0%	42.38K	37.71K
Common Units representing limited partner interests Direct	2/12/2023	M · Option Exercise	+8.92K	—	—	23.7%	37.71K	46.63K
Common Units representing limited partner interests Direct	2/12/2023	F · Tax Withholding	−3.51K	$28.26	$99.19K	7.5%	46.63K	43.12K
Common Units representing limited partner interests Direct	2/12/2023	M · Option Exercise	+5.78K	—	—	13.4%	43.12K	48.90K
Common Units representing limited partner interests Direct	2/12/2023	F · Tax Withholding	−2.27K	$28.26	$64.26K	4.6%	48.90K	46.63K
Total			+15.69K		-$295.35K

Derivative Transactions6

2020 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

11.44K shares

−11.44K

Strike price

Held after

0.00

Exercisable

—

2/12/2023

2021 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

8.92K shares

−8.92K

Strike price

Held after

8.92K

Exercisable

—

2/12/2023

2022 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

5.78K shares

−5.78K

Strike price

Held after

11.56K

Exercisable

—

2/12/2023

2023 Phantom Units

Direct

A · Award

Converts to

Common Units representing limited partner interests

32.46K shares

+32.46K

Strike price

Held after

32.46K

Exercisable

—

2/14/2023

2023 Performance Unit - TUR

Direct

A · Award

Converts to

Common Units representing limited partner interests

16.23K shares

+16.23K

Strike price

Held after

16.23K

Exercisable

—

2/14/2023

2023 Performance Unit - ROA

Direct

A · Award

Converts to

Common Units representing limited partner interests

16.23K shares

+16.23K

Strike price

Held after

16.23K

Exercisable

—

2/14/2023

Security	Converts To	Date	Type	Shares	Exercisable	Held After
2020 Phantom Units Direct	Common Units representing limited partner interests11.44K shares	2/12/2023	M · Option Exercise	−11.44K	—	0.00
2021 Phantom Units Direct	Common Units representing limited partner interests8.92K shares	2/12/2023	M · Option Exercise	−8.92K	—	8.92K
2022 Phantom Units Direct	Common Units representing limited partner interests5.78K shares	2/12/2023	M · Option Exercise	−5.78K	—	11.56K
2023 Phantom Units Direct	Common Units representing limited partner interests32.46K shares	2/14/2023	A · Award	+32.46K	—	32.46K
2023 Performance Unit - TUR Direct	Common Units representing limited partner interests16.23K shares	2/14/2023	A · Award	+16.23K	—	16.23K
2023 Performance Unit - ROA Direct	Common Units representing limited partner interests16.23K shares	2/14/2023	A · Award	+16.23K	—	16.23K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)6

2020 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

9.36K

Shares owned

9.36K

Exercise price

Expiration

—

Exercise window

—

2021 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

26.76K

Shares owned

26.76K

Exercise price

Expiration

—

Exercise window

—

2022 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

8.67K

Shares owned

8.67K

Exercise price

Expiration

—

Exercise window

—

2021 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

26.76K

Shares owned

26.76K

Exercise price

Expiration

—

Exercise window

—

2020 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

9.36K

Shares owned

9.36K

Exercise price

Expiration

—

Exercise window

—

2022 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

8.67K

Shares owned

8.67K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

89.60K

Owned

89.60K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
2020 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	9.36K	9.36K
2021 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	26.76K	26.76K
2022 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	8.67K	8.67K
2021 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	26.76K	26.76K
2020 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	9.36K	9.36K
2022 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	8.67K	8.67K
Total				89.60K	89.60K