Blackstone Holdings III LP, Blackstone EMA II LLC, BMA VII LLC, Blackstone Energy Management Associates II LLC, Blackstone Energy Partners II LP, Blackstone Management Associates VII LLC, Blackstone Capital Partners VII LP, BCP VII/BEP II Holdings Manager LLC, and BX Primexx Topco LLC v. Primexx Energy Opportunity Fund, LP and Primexx Energy Opportunity Fund II, LP

Court of Appeals of Texas·Decided March 3, 2025·No. 15-25-00014-CV·Published

Opinion

ACCEPTED 15-25-00014-CV FIFTEENTH COURT OF APPEALS AUSTIN, TEXAS 3/3/2025 4:29 PM No. 15-25-00014-CV CHRISTOPHER A. PRINE CLERK FILED IN 15th COURT OF APPEALS In the Court of Appeals AUSTIN, TEXAS for the Fifteenth District of Texas 3/3/2025 4:29:09 PM CHRISTOPHER A. PRINE Clerk

Blackstone Holdings III LP, et al., Appellants, v. Primexx Energy Opportunity Fund, LP., et al., Appellees.

Appeal from the First Business Court Division Dallas County, Texas Honorable Bill Whitehill, Judge Presiding

FIRST UNOPPOSED MOTION FOR EXTENSION OF TIME TO FILE APPELLANTS’ BRIEF

David S. Coale Yaman Desai dcoale@lynnllp.com ydesai@lynnllp.com Christopher J. Schwegmann Kyle A. Gardner cschwegmann@lynnllp.com kgardner@lynnllp.com Christopher W. Patton Jessica D. Cox cpatton@lynnllp.com jcox@lynnllp.com

Lynn Pinker Hurst & Schwegmann LLP 2100 Ross Avenue, Suite 2700 Dallas, Texas 75201 Telephone: (214) 981-3800 Facsimile: (214) 981-3839

Attorneys for Appellants TO THE HONORABLE COURT OF APPEALS:

Under Texas Rules of Appellate Procedure 10.5(b)(1) and 38.6(d),

Appellants (“Appellants”), file this first unopposed motion for an extension

of time and respectfully requests a 30-day extension, or until Wednesday,

April 9, 2025, to file Appellants’ Brief.

I. CURRENT DEADLINE

Appellants’ Brief is currently due on Monday, March 10, 2025.

II. REASONS FOR EXTENSION

Appellants require additional time to review the record, analyze

relevant law, and prepare the brief. In addition to preparing Appellants’ brief,

counsel for Appellants have been and continue to have responsibilities for

additional cases between the date of this Motion and the current deadline to

submit Appellants’ brief. This extension of time is sought so that justice may

be done in the disposition of this case and is not sought for purposes of delay.

This is the first extension of the briefing deadline sought by Appellants.

III. REQUEST FOR RELIEF

For these reasons, Appellants request that the Court grant this First

Unopposed Motion for Extension of Time to File Appellants’ Brief, extending

the time to file the brief until April 9, 2025. Appellants further request all

additional relief to which they may be justly entitled.

2 DATE: March 3, 2025 Respectfully submitted,

/s/ Jessica D. Cox David S. Coale Texas Bar No. 00787255 dcoale@lynnllp.com Christopher J. Schwegmann Texas Bar No. 24051315 cschwegmann@lynnllp.com Christopher W. Patton Texas Bar No. 24083634 cpatton@lynnllp.com Yaman Desai Texas Bar No. 24101695 ydesai@lynnllp.com Kyle A. Gardner Texas State Bar No. 24116412 kgardner@lynnllp.com Jessica D. Cox Texas Bar No. 24114769 jcox@lynnllp.com

Lynn Pinker Hurst & Schwegmann LLP 2100 Ross Avenue, Suite 2700 Dallas, Texas 75201 Telephone: (214) 981-3800 Facsimile: (214) 981-3839

Attorneys for Appellants

3 Certificate of Service The undersigned hereby certifies that a true and correct copy of the above and foregoing document was served on all counsel of record via eFileTexas on March 3, 2025.

/s/ Jessica D. Cox Jessica D. Cox

Certificate of Conference

The undersigned certifies that counsel for Appellants conferred with counsel for Appellees via e-mail on March 3, 2025, and the relief requested by this Motion is not opposed.

/s/ Jessica D. Cox Jessica D. Cox

4 Automated Certificate of eService This automated certificate of service was created by the efiling system. The filer served this document via email generated by the efiling system on the date and to the persons listed below. The rules governing certificates of service have not changed. Filers must still provide a certificate of service that complies with all applicable rules.

Jessica Cox on behalf of Jessica Cox Bar No. 24114769 jcox@lynnllp.com Envelope ID: 98005649 Filing Code Description: Motion Filing Description: First Unopposed Motion for Extension of Time to File Appellants' Brief Status as of 3/3/2025 4:37 PM CST

Associated Case Party: Blackstone Holdings III LP, et al.

Name BarNumber Email TimestampSubmitted Status

Julie Archuleta jarchuleta@lynnllp.com 3/3/2025 4:29:09 PM SENT

David S.Coale dcoale@lynnllp.com 3/3/2025 4:29:09 PM SENT

Jessica Cox jcox@lynnllp.com 3/3/2025 4:29:09 PM SENT

Yaman Desai ydesai@lynnllp.com 3/3/2025 4:29:09 PM SENT

Gina Flores gflores@lynnllp.com 3/3/2025 4:29:09 PM SENT

Kyle A.Gardner kgardner@lynnllp.com 3/3/2025 4:29:09 PM SENT

Kerri Jones kjones@lynnllp.com 3/3/2025 4:29:09 PM SENT

Christopher W.Patton cpatton@lynnllp.com 3/3/2025 4:29:09 PM SENT

Christopher JSchwegmann cschwegmann@lynnllp.com 3/3/2025 4:29:09 PM SENT

Scott Smoot ssmoot@lynnllp.com 3/3/2025 4:29:09 PM SENT

Associated Case Party: Primexx Energy Opportunity Fund, LP., et al.

Name BarNumber Email TimestampSubmitted Status

Stephen Shackelford SShackelford@susmangodfrey.com 3/3/2025 4:29:09 PM SENT

Sarah Hannigan sHannigan@susmangodfrey.com 3/3/2025 4:29:09 PM SENT

Lindsey Eccles leccles@susmangodfrey.com 3/3/2025 4:29:09 PM SENT

Jeremy Fielding jeremy.fielding@kirkland.com 3/3/2025 4:29:09 PM SENT

Zack Ewing zack.ewing@kirkland.com 3/3/2025 4:29:09 PM SENT

Roger Cowie roger.cowie@troutman.com 3/3/2025 4:29:09 PM SENT

Taylor Levesque Taylor.Levesque@troutman.com 3/3/2025 4:29:09 PM SENT

Laura Brigham laura.brigham@kirkland.com 3/3/2025 4:29:09 PM SENT

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Blackstone Holdings III LP, et al., Appellants, v. Primexx Energy Opportunity Fund, LP., et al., Appellees.

Appeal from the First Business Court Division Dallas County, Texas Honorable Bill Whitehill, Judge Presiding

FIRST UNOPPOSED MOTION FOR EXTENSION OF TIME TO FILE APPELLANTS’ BRIEF

Lynn Pinker Hurst & Schwegmann LLP 2100 Ross Avenue, Suite 2700 Dallas, Texas 75201 Telephone: (214) 981-3800 Facsimile: (214) 981-3839

Attorneys for Appellants TO THE HONORABLE COURT OF APPEALS:

Under Texas Rules of Appellate Procedure 10.5(b)(1) and 38.6(d),

Appellants (“Appellants”), file this first unopposed motion for an extension

of time and respectfully requests a 30-day extension, or until Wednesday,

April 9, 2025, to file Appellants’ Brief.

I. CURRENT DEADLINE

Appellants’ Brief is currently due on Monday, March 10, 2025.

II. REASONS FOR EXTENSION

Appellants require additional time to review the record, analyze

relevant law, and prepare the brief. In addition to preparing Appellants’ brief,

counsel for Appellants have been and continue to have responsibilities for

additional cases between the date of this Motion and the current deadline to

submit Appellants’ brief. This extension of time is sought so that justice may

be done in the disposition of this case and is not sought for purposes of delay.

This is the first extension of the briefing deadline sought by Appellants.

III. REQUEST FOR RELIEF

For these reasons, Appellants request that the Court grant this First

Unopposed Motion for Extension of Time to File Appellants’ Brief, extending

the time to file the brief until April 9, 2025. Appellants further request all

additional relief to which they may be justly entitled.

2 DATE: March 3, 2025 Respectfully submitted,

Lynn Pinker Hurst & Schwegmann LLP 2100 Ross Avenue, Suite 2700 Dallas, Texas 75201 Telephone: (214) 981-3800 Facsimile: (214) 981-3839

Attorneys for Appellants

3 Certificate of Service The undersigned hereby certifies that a true and correct copy of the above and foregoing document was served on all counsel of record via eFileTexas on March 3, 2025.

/s/ Jessica D. Cox Jessica D. Cox

Certificate of Conference

The undersigned certifies that counsel for Appellants conferred with counsel for Appellees via e-mail on March 3, 2025, and the relief requested by this Motion is not opposed.

/s/ Jessica D. Cox Jessica D. Cox

Associated Case Party: Blackstone Holdings III LP, et al.

Name BarNumber Email TimestampSubmitted Status

Julie Archuleta jarchuleta@lynnllp.com 3/3/2025 4:29:09 PM SENT

David S.Coale dcoale@lynnllp.com 3/3/2025 4:29:09 PM SENT

Jessica Cox jcox@lynnllp.com 3/3/2025 4:29:09 PM SENT

Yaman Desai ydesai@lynnllp.com 3/3/2025 4:29:09 PM SENT

Gina Flores gflores@lynnllp.com 3/3/2025 4:29:09 PM SENT

Kyle A.Gardner kgardner@lynnllp.com 3/3/2025 4:29:09 PM SENT

Kerri Jones kjones@lynnllp.com 3/3/2025 4:29:09 PM SENT

Christopher W.Patton cpatton@lynnllp.com 3/3/2025 4:29:09 PM SENT

Christopher JSchwegmann cschwegmann@lynnllp.com 3/3/2025 4:29:09 PM SENT

Scott Smoot ssmoot@lynnllp.com 3/3/2025 4:29:09 PM SENT

Associated Case Party: Primexx Energy Opportunity Fund, LP., et al.

Name BarNumber Email TimestampSubmitted Status

Stephen Shackelford SShackelford@susmangodfrey.com 3/3/2025 4:29:09 PM SENT

Sarah Hannigan sHannigan@susmangodfrey.com 3/3/2025 4:29:09 PM SENT

Lindsey Eccles leccles@susmangodfrey.com 3/3/2025 4:29:09 PM SENT

Jeremy Fielding jeremy.fielding@kirkland.com 3/3/2025 4:29:09 PM SENT

Zack Ewing zack.ewing@kirkland.com 3/3/2025 4:29:09 PM SENT

Roger Cowie roger.cowie@troutman.com 3/3/2025 4:29:09 PM SENT

Taylor Levesque Taylor.Levesque@troutman.com 3/3/2025 4:29:09 PM SENT

Laura Brigham laura.brigham@kirkland.com 3/3/2025 4:29:09 PM SENT

Pincite

Blackstone Holdings III LP, Blackstone EMA II LLC, BMA VII LLC, Blackstone Energy Management Associates II LLC, Blackstone Energy Partners II LP, Blackstone Management Associates VII LLC, Blackstone Capital Partners VII LP, BCP VII/BEP II Holdings Manager LLC, and BX Primexx Topco LLC v. Primexx Energy Opportunity Fund, LP and Primexx Energy Opportunity Fund II, LP (Blackstone Holdings III LP, Blackstone EMA II LLC, BMA VII LLC, Blackstone Energy Management Associates II LLC, Blackstone Energy Partners II LP, Blackstone Management Associates VII LLC, Blackstone Capital Partners VII LP, BCP VII/BEP II Holdings Manager LLC, and BX Primexx Topco LLC v. Primexx Energy Opportunity Fund, LP and Primexx Energy Opportunity Fund II, LP) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.