John Miller, P.E.

John Miller is Vice President and a co-founding partner of Austin Consulting Petroleum Engineers Inc.
(“ACPE”).  Prior to co-founding ACPE in 2021, Mr. Miller worked for FTI Consulting Platt Sparks LLC, its
predecessor Platt, Sparks and Associates Inc. and Murray Thomas and Griffin, Inc.

Mr. Miller’s areas of expertise include commercial salt-water disposal evaluations, reservoir engineering
studies, economic and mineral evaluations, reserve determinations, field development studies, well log
analysis, contract analysis and environmental impact assessments.  Mr. Miller also works with the
Railroad Commission of Texas in assisting operators with regulatory matters and testifies regularly
before the Commission.  Mr. Miller has aided operators in securing drilling permits, commingling
permits, spacing exceptions, density exceptions, disposal permits, new field designations, special field
rules, field consolidations, tight gas area designations and gas storage permits. Mr. Miller also works
with solar and wind companies to set aside reasonable drill site acreage for oil and gas operators to
access the minerals beneath the property.

As an engineer with Platt Sparks and Associates, Mr. Miller rose through its ranks and held the position
of Vice President prior to the acquisition by FTI Consulting in 2014.  After the acquisition, Mr. Miller was
a consulting petroleum engineer and Managing Director with FTI Consulting Platt Sparks based in Austin,
Texas.

Mr. Miller holds a Bachelor of Science Degree in Civil Engineering from Texas A&M University at College
Station and a Master of Science Degree in Petroleum Engineering from The University of Texas at
Austin.  He is a Licensed Professional Engineer in the State of Texas and an active member in the Society
of Petroleum Engineers.