EX-23 9 w06428a1exv23.txt CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 33-25884, 33-49660, 33-53338, 33-54409, 33-62331, 333-12089, 333-53977, and 333-66991 on Forms S-8 of our reports dated March 15, 2005, relating to the financial statements and financial statement schedules of P. H. Glatfelter Company and management's report of the effectiveness of internal control over financial reporting, appearing in this Annual Report on Form 10-K/A of P. H. Glatfelter Company for the year ended December 31, 2004. /s/ Deloitte & Touche LLP Philadelphia, Pennsylvania March 24, 2005