SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                   ----------
                                  SCHEDULE 13G
                                 (RULE 13D-102)

             INFORMATION STATEMENT PURSUANT TO RULES 13D-1 AND 13D-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 21)

                            P. H. GLATFELTER COMPANY
                            ------------------------
                                (Name of Issuer)

                                  Common Stock
                                  ------------
                         (Title of Class of Securities)

                                    377316104
                                    ---------
                                 (CUSIP Number)

                                December 31, 2003
                                -----------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)

CUSIP No. 377316104                                            Page 1 of 6 Pages

    1)  Names of Reporting Persons

        IRS Identification No. Of Above Persons

             The PNC Financial Services Group, Inc.   25-1435979

    2)  Check the Appropriate Box if a Member of a Group (See Instructions)

        a)  [ ]

        b)  [ ]

    3)  SEC USE ONLY

    4)  Citizenship or Place of Organization    Pennsylvania

    Number of Shares     5)  Sole Voting Power                        10,637,281

    Beneficially Owned   6)  Shared Voting Power                       4,448,701

    By Each Reporting    7)  Sole Dispositive Power                    9,769,515

    Person With          8)  Shared Dispositive Power                  5,369,631

    9)  Aggregate Amount Beneficially Owned by Each Reporting Person  15,158,782

    10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares

        See Instructions                                        [ ]

    11)  Percent of Class Represented by Amount in Row (9)      34.63

    12)  Type of Reporting Person   (See Instructions)          HC



                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                   ----------
                                  SCHEDULE 13G
                                 (RULE 13D-102)

             INFORMATION STATEMENT PURSUANT TO RULES 13D-1 AND 13D-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 21)

                            P. H. GLATFELTER COMPANY
                            ------------------------
                                (Name of Issuer)

                                  Common Stock
                                  ------------
                         (Title of Class of Securities)

                                    377316104
                                    ---------
                                 (CUSIP Number)

                                December 31, 2003
                                -----------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)

CUSIP No.  377316104                                           Page 2 of 6 Pages

    1)  Names of Reporting Persons

        IRS Identification No. Of Above Persons

             PNC Bancorp, Inc.   51-0326854

    2)  Check the Appropriate Box if a Member of a Group (See Instructions)

        a)  [ ]

        b)  [ ]

    3)  SEC USE ONLY

    4)  Citizenship or Place of Organization    Delaware

    Number of Shares       5)  Sole Voting Power                      10,637,281

    Beneficially Owned     6)  Shared Voting Power                     4,448,701

    By Each Reporting      7)  Sole Dispositive Power                  9,769,515

    Person With            8)  Shared Dispositive Power                5,369,631

    9)  Aggregate Amount Beneficially Owned by Each Reporting Person  15,158,782

    10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares

        See Instructions                                               [ ]

    11) Percent of Class Represented by Amount in Row (9)              34.63

    12) Type of Reporting Person   (See Instructions)                  HC



                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                   ----------
                                  SCHEDULE 13G
                                 (RULE 13D-102)

             INFORMATION STATEMENT PURSUANT TO RULES 13D-1 AND 13D-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 21)

                            P. H. GLATFELTER COMPANY
                            ------------------------
                                (Name of Issuer)

                                  Common Stock
                                  ------------
                         (Title of Class of Securities)

                                    377316104
                                    ---------
                                 (CUSIP Number)

                                December 31, 2003
                                -----------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)

CUSIP No. 377316104                                            Page 3 of 6 Pages

    1)  Names of Reporting Persons

        IRS Identification No. Of Above Persons

             PNC Bank, National Association   22-1146430

    2)  Check the Appropriate Box if a Member of a Group (See Instructions)

        a) [ ]

        b) [ ]

    3)  SEC USE ONLY

    4)  Citizenship or Place of Organization    United States

    Number of Shares       5)  Sole Voting Power                      10,637,281

    Beneficially Owned     6)  Shared Voting Power                     4,448,701

    By Each Reporting      7)  Sole Dispositive Power                  9,769,515

    Person With            8)  Shared Dispositive Power                5,369,631

    9)  Aggregate Amount Beneficially Owned by Each Reporting Person  15,158,782

    10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares

        See Instructions                                           [ ]

    11) Percent of Class Represented by Amount in Row (9)          34.63

    12) Type of Reporting Person   (See Instructions)              BK






                                                               Page 4 of 6 Pages

ITEM 4 - OWNERSHIP:

The following information is as of December 31, 2003:

(a) Amount Beneficially Owned:                                 15,158,782 shares

(b) Percent of Class:                                                      34.63

(c) Number of shares to which such person has:

       (i)  sole power to vote or to direct the vote                  10,637,281

      (ii)  shared power to vote or to direct the vote                 4,448,701

     (iii)  sole power to dispose or to direct the disposition of      9,769,515

      (iv)  shared power to dispose or to direct the disposition of    5,369,631


ITEM 6 - OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

See Schedule A attached hereto and made a part hereof.


ITEM 7 -  IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
          THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:

Included are the following subsidiaries of The PNC Financial Services
  Group, Inc. (formerly, PNC Bank Corp.) - HC:

PNC Bancorp, Inc. - HC (wholly owned subsidiary of PNC Bank Corp.)

PNC Bank, National Association - BK (wholly owned subsidiary of PNC Bancorp,
Inc.)

ITEM 10 - CERTIFICATION:

         By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired and held in the ordinary
course of business and were not acquired and are not held for the purpose of or
with the effect of changing or influencing the control of the issuer of the
securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.






                                                               Page 5 of 6 Pages

                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


February 10, 2004
------------------------------------------------------
Date

By:  /s/ Joan L. Gulley
------------------------------------------------------
Signature - The PNC Financial Services Group, Inc.

Joan L. Gulley, Vice President
------------------------------------------------------
Name & Title


February 10, 2004
------------------------------------------------------
Date

By:  /s/ Maria C. Schaffer
------------------------------------------------------
Signature - PNC Bancorp, Inc.

Maria C. Schaffer, Executive Vice President
------------------------------------------------------
Name & Title


February 10, 2004
------------------------------------------------------
Date

By:  /s/ Joan L. Gulley
------------------------------------------------------
Signature - PNC Bank, National Association

Joan L. Gulley, Executive Vice President
------------------------------------------------------
Name & Title

                     AN AGREEMENT TO FILE A JOINT STATEMENT
             WAS PREVIOUSLY FILED AS EXHIBIT A TO AMENDMENT NO. 12.



                                                               Page 6 of 6 Pages

                                   SCHEDULE A

                            P. H. Glatfelter Company

Item 6 - Ownership of More than Five Percent on Behalf of Another Person:

         The information contained in this statement relates to the shares of
         Common Stock that are held by PNC Bank, National Association, as
         trustee, executor, custodian or agent (collectively, the "Shares").(1)
         In accordance with Section 13d-3, certain of the Shares may be
         beneficially owned by more than one person. Of the Shares held in
         trusts, certain persons, including the settlors, trustees,
         beneficiaries and others named in the trust documents or documents
         ancillary thereto, may have the power to direct the receipt of
         dividends from, or the proceeds from the sale of, such Shares. As to
         the Shares that are held as executor, custodian or agent, certain
         persons, including account owners, have the power, under law or by
         contract, to direct the receipt of dividends from, or the proceeds from
         the sale of, such Shares. Notwithstanding the beneficial ownership of
         the Shares by several persons, the total number of Shares is
         15,158,782.

         The following person may have the power to direct the receipt of
         dividends from, or the proceeds from the sale of, a number of Shares
         that represents more than 5% of the outstanding Common Stock:

                  George H. Glatfelter
                  5715 Colonial Valley Road
                  Spring Grove, PA  17362

         At December 31, 2003, George H. Glatfelter was a co-trustee, along with
         PNC Bank, National Association, of five trusts holding an aggregate of
         718,649 Shares, and may be deemed to have shared voting and dispositive
         power as to all of such Shares. He also had a right to withdraw an
         aggregate of 901,161 Shares from two trusts(2) and a right to purchase
         an aggregate of 2,793,810 Shares from eleven trusts. In addition, he
         had an annual, noncumulative right of withdrawal equal to the greater
         of 5% or $5,000 from the two trusts holding an aggregate of 86,816
         Shares.(3)

----------

(1) PNC Bank, National Association, as Bank Constituent and Trust Agent (as
defined in the Voting Trust Agreement (as defined below)), and The PNC Financial
Services Group, Inc., as the parent of PNC Bank, National Association, also
reports their beneficial ownership as to 12,504,403 of the shares of Common
Stock reported herein (the "Trust Shares"), as previously reported on a
statement on an amendment to Schedule 13D filed with the Securities and Exchange
Commission on August 12, 2002. The Trust Shares are held by the P. H. Glatfelter
Family Shareholders' Voting Trust established pursuant to agreement dated as of
July 1, 1993 (the "Voting Trust Agreement"). PNC Bank, National Association, as
Bank Constituent and Trust Agent, has certain powers under the Voting Trust
Agreement that may be construed as voting power as to the Trust Shares. The
Trust Shares are also included in this statement on Schedule 13G because they
may be withdrawn from the Voting Trust by certain fiduciary trusts of which PNC
Bank, National Association is a trustee or co-trustee, generally within 60 days.
Such right of withdrawal may be deemed to continue the beneficial ownership of
the Trust Shares by PNC Bank, National Association, as trustee or co-trustee of
such fiduciary trusts, and The PNC Financial Services Group, Inc., as its parent
corporation, that existed prior to the establishment of the Voting Trust.


(2) All of such Shares are Trust Shares (as defined in note 1 above).

(3) George H. Glatfelter serves as a co-trustee of both of these trusts. All of
such Shares are Trust Shares.