EXHIBIT 99.1 [PETROQUEST ENERGY, INC. LETTERHEAD] NEWS RELEASE FOR IMMEDIATE RELEASE <Table> <Caption> For further information, contact: Robert R. Brooksher, Vice President - Corporate Communications (337) 232-7028 </Table> PETROQUEST ENERGY, INC. ANNOUNCES 2002 YEAR-END AND FOURTH QUARTER RESULTS Lafayette, Louisiana - February 26, 2002 - PetroQuest Energy, Inc. (NASDAQ: PQUE) announced today net income for the quarter ended December 31, 2002 of $1,466,000, or $0.03 per share, as compared to fourth quarter 2001 net income of $1,142,000, or $0.03 per share. Net cash flow from operations before working capital changes for the fourth quarter of 2002 increased 26% to $10,984,000, or $0.26 per share, as compared to $8,684,000, or $0.25 per share, for the comparable 2001 period. For the year ended December 31, 2002, net income was $2,307,000, or $0.06 per share, and net cash flow from operations before working capital changes totaled $32,813,000, or $0.82 per share. Net income and net cash flow from operations before working capital changes for the year ended December 31, 2001 were $11,645,000 or $0.34 per share, and $42,317,000 or $1.23 per share, respectively. Oil and gas sales during the fourth quarter of 2002 increased 21% to $15,056,000 as compared to the fourth quarter of 2001. For the year ended December 31, 2002, sales were $48,141,000 compared to $54,967,000 for the year ended December 31, 2001. Stated on a Mcfe basis, unit prices received during the fourth quarter were 51% higher and prices received during the year ended December 31, 2002 were 10% lower than the prices received during the comparable 2001 periods. The following table sets forth certain information with respect to the oil and gas operations of the Company for the three-month periods and years ended December 31, 2002 and 2001: Three Months Ended Twelve Months Ended December 31, December 31, 2002 2001 2002 2001 ---------- ---------- ----------- ----------- Production: Oil (Bbls) 240,380 191,332 929,181 791,405 Gas (Mcf) 2,001,427 3,150,098 7,765,142 9,025,240 Total Production (Mcfe) 3,443,707 4,298,090 13,340,228 13,773,670 Sales: Total oil sales $6,562,031 $4,098,533 $23,294,514 $20,171,659 Total gas sales $8,494,108 $8,321,954 $24,846,723 $34,794,876 Average sales prices: Oil (per Bbl) $27.30 $21.42 $25.07 $25.49 Gas (per Mcf) $4.24 $2.64 $3.20 $3.86 Per Mcfe $4.37 $2.89 $3.61 $3.99 The following is guidance for the first quarter of 2003: Guidance for Description 1st Quarter 2003 - ----------- ---------------- Production volumes (MMcfe/d) 33-35 Percent gas 60% Expenses: Lease operating expenses (per Mcfe) $1.00-$1.10 Production taxes (per Mcfe) $.06-$.08 Depreciation, depletion and amortization (per Mcfe) $2.55-$2.65 General and administrative (in millions) $1.4-$1.6 Interest expense (in millions) $.100-$.125 Effective tax rate (all deferred) 35% PetroQuest Energy Inc. is an independent energy company engaged in the exploration, development, acquisition and production of oil and natural gas reserves in the Gulf Coast Basin, both onshore and in shallow waters offshore. This press release contains "forward-looking statements" within the meaning of section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements are subject to certain risks, trends and uncertainties that could cause actual results to differ materially from those projected. Among those risks, trends and uncertainties are our estimate of the sufficiency of our existing capital sources, our ability to raise additional capital to fund cash requirements for future operations, the uncertainties involved in estimating quantities of proved oil and natural gas reserves, in prospect development and property acquisitions and in projecting future rates of production, the timing of development expenditures and drilling of wells, and the operating hazards attendant to the oil and gas business. In particular, careful consideration should be given to cautionary statements made in the various reports PetroQuest has filed with the Securities and Exchange Commission. PetroQuest undertakes no duty to update or revise these forward-looking statements. Table follows. PETROQUEST ENERGY, INC. Consolidated Statements of Operations (Amounts in Thousands, Except Per Share Data) Three Months Ended Twelve Months Ended December 31, December 31, 2002 2001 2002 2001 ------- ------- ------- ------- (unaudited) Revenues: Oil and gas sales $15,056 $12,420 $48,141 $54,967 Interest and other income 1 (48) (461) 314 ------- ------- ------- ------- 15,057 12,372 47,680 55,281 ------- ------- ------- ------- Expenses: Lease operating expenses 2,748 2,032 9,988 7,172 Production taxes 173 274 614 1,096 Depreciation, depletion and amortization 8,559 7,681 28,196 23,094 General and administrative 1,251 1,573 5,009 4,752 Interest expense 25 429 278 2,111 ------- ------- ------- ------- 12,756 11,989 44,085 38,225 ------- ------- ------- ------- Income from operations 2,301 383 3,595 17,056 Income tax expense (benefit) 835 (759) 1,288 5,411 ------- ------- ------- ------- Net income (loss) $ 1,466 $ 1,142 $ 2,307 $11,645 ======= ======= ======= ======= Earnings (loss) per common share: Basic $ 0.04 $ 0.04 $ 0.06 $ 0.37 ======= ======= ======= ======= Diluted $ 0.03 $ 0.03 $ 0.06 $ 0.34 ======= ======= ======= ======= Weighted average number of common shares: Basic 41,005 32,526 37,871 31,818 Diluted 42,920 34,935 39,997 34,271 # # #