# EDGAR Filing Document

**Accession Number:** 0001423902
**File Stem:** 0001423902-23-000008
**Filing Date:** 2023-2
**Character Count:** 9747
**Document Hash:** db110bae7ba69ccb9fa9b309bbe11829
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001423902-23-000008.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001423902-23-000008

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230212

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Dial Christopher B.
- **CENTRAL INDEX KEY:** 0001729009

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35753
- **FILM NUMBER:** 23632894

**MAIL ADDRESS:**
- **STREET 1:** 2103 CITYWEST BLVD.
- **STREET 2:** BUILDING 4, SUITE 800
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77042
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Western Midstream Partners, LP
- **CENTRAL INDEX KEY:** 0001423902
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION [4922]
- **IRS NUMBER:** 261075656
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 9950 WOODLOCH FOREST DRIVE, SUITE 2800
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380-7046
- **BUSINESS PHONE:** 346-786-5000

**MAIL ADDRESS:**
- **STREET 1:** 9950 WOODLOCH FOREST DRIVE, SUITE 2800
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380-7046

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Western Gas Equity Partners, LP
- **DATE OF NAME CHANGE:** 20121023

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WGR Holdings LLC
- **DATE OF NAME CHANGE:** 20080115

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Dial Christopher B.<br><sub>(Last) (First) (Middle)</sub><br>9950 WOODLOCH FOREST DR.<br><sub>(Street)</sub><br>THE WOODLANDS, TX 77380<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-12 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_SVP, GC and Secretary_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Western Midstream Partners, LP [ WES ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Units representing limited partner interests | 2023-02-12 |  | M |  | 11444 | A | $0 | 42380 | D |  |
| Common Units representing limited partner interests | 2023-02-12 |  | F |  | 4667 | D | $28.26 | 37713 | D |  |
| Common Units representing limited partner interests | 2023-02-12 |  | M |  | 8921 | A | $0 | 46634 | D |  |
| Common Units representing limited partner interests | 2023-02-12 |  | F |  | 3510 | D | $28.26 | 43124 | D |  |
| Common Units representing limited partner interests | 2023-02-12 |  | M |  | 5780 | A | $0 | 48904 | D |  |
| Common Units representing limited partner interests | 2023-02-12 |  | F |  | 2274 | D | $28.26 | 46630 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 2020 Phantom Units | <sup>(1)</sup> | 2023-02-12 |  | M |  |  | 11444 | <sup>(2)</sup> | <sup>(2)</sup> | Common Units representing limited partner interests | 11444.0 | $0 | 0 | D |  |
| 2021 Phantom Units | <sup>(1)</sup> | 2023-02-12 |  | M |  |  | 8921 | <sup>(3)</sup> | <sup>(3)</sup> | Common Units representing limited partner interests | 8921.0 | $0 | 8921 | D |  |
| 2022 Phantom Units | <sup>(4)</sup> | 2023-02-12 |  | M |  |  | 5780 | <sup>(5)</sup> | <sup>(5)</sup> | Common Units representing limited partner interests | 5780.0 | $0 | 11561 | D |  |
| 2023 Phantom Units | <sup>(1)</sup> | 2023-02-14 |  | A |  | 32456 |  | <sup>(3)</sup> | 2026-02-12 | Common Units representing limited partner interests | 32456.0 | $0 | 32456 | D |  |
| 2023 Performance Unit - TUR | <sup>(6)</sup> | 2023-02-14 |  | A |  | 16228 |  | 2026-02-12 | 2026-02-12 | Common Units representing limited partner interests | 16228.0 | $0 | 16228 | D |  |
| 2023 Performance Unit - ROA | <sup>(6)</sup> | 2023-02-14 |  | A |  | 16228 |  | 2026-02-12 | 2026-02-12 | Common Units representing limited partner interests | 16228.0 | $0 | 16228 | D |  |
| 2022 Performance Unit - TUR | <sup>(6)</sup> |  |  |  |  |  |  | 2025-02-12 | 2025-02-12 | Common Units representing limited partner interests | 8671.0 |  | 8671 | D |  |
| 2022 Performance Unit - ROA | <sup>(6)</sup> |  |  |  |  |  |  | 2025-02-12 | 2025-02-12 | Common Units representing limited partner interests | 8671.0 |  | 8671 | D |  |
| 2021 Performance Unit - TUR | <sup>(6)</sup> |  |  |  |  |  |  | 2024-02-12 | 2024-02-12 | Common Units representing limited partner interests | 26764.0 |  | 26764 | D |  |
| 2021 Performance Unit - ROA | <sup>(6)</sup> |  |  |  |  |  |  | 2024-02-12 | 2024-02-12 | Common Units representing limited partner interests | 26764.0 |  | 26764 | D |  |
| 2020 Performance Unit - ROA | <sup>(6)</sup> |  |  |  |  |  |  | 2023-02-12 | 2023-02-12 | Common Units representing limited partner interests | 9363.0 |  | 9363 | D |  |
| 2020 Performance Unit - TUR | <sup>(6)</sup> |  |  |  |  |  |  | 2023-02-12 | 2023-02-12 | Common Units representing limited partner interests | 9363.0 |  | 9363 | D |  |

---

### Footnotes:

(1) Each Phantom Unit is the economic equivalent of one WES Common Unit representing limited partnership interests, and upon vesting, will entitle the holder to receive a common unit or, at the discretion of the Board of Directors of the General Partner, cash equal to the Fair Market Value of a Common Unit.

(2) These Phantom Units vest ratably over a three-year period on February 12th of each year, and will pay distribution equivalent rights in the form of WES Common Units on a current basis.

(3) These Phantom Units vest ratably over a three-year period on February 12th of each year, and will pay distribution equivalent rights in cash on a current basis.

(4) Each Phantom Unit is the economic equivalent of one WES Common Unit representing limited partnership interests, and upon vesting, entitled to receive a common unit

(5) The phantom units vest in three annual installments beginning one year after the date of grant, and will pay distribution equivalent rights prior to vesting in the form of WES Common Units.

(6) Each performance-based unit represents the right to receive, following vesting, between 0% and 200% of one WES Common Unit based upon the achievement of pre-established performance metrics over a 3-year performance period.

**Signature:** /s/ Philip C. Neisel, as attorney-in-fact  
**Date:** 2023-02-14

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**