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                                    APPENDIX

                               REVOCABLE PROXY

 SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF UNITED FEDERAL SAVINGS BANK
 FOR THE RECONVENED SPECIAL MEETING OF SHAREHOLDERS TO BE HELD SEPTEMBER 16,
                                     1998

The undersigned shareholder of United Federal Savings Bank ("United Federal")
hereby constitutes and appoints John A. Barker and Robert C. White, or any of
them, as attorneys-in-fact and proxies, with full power and substitution to
represent and vote as directed below, all shares of the common stock of United
Federal held of record by the undersigned on July 27, 1998, at the reconvened
Special Meeting of Shareholders of United Federal to be held on Wednesday,
September 16, 1998 at 2:00 p.m., local time, at The Carlton House, 215 North
Church Street, Rocky Mount, North Carolina, and at any adjournments thereof (the
"Special Meeting").

1.    PROPOSAL TO APPROVE MERGER.  Proposal to approve the Agreement and Plan
      of Reorganization and Merger dated as of March 4, 1998 as amended as of
      August 7, 1998 and September 1, 1998 and the related Plan of Merger
      (collectively, the "Amended Agreement"), by and among United Federal,
      Triangle Bank and Triangle Bancorp, Inc. ("Triangle"), and to approve
      the transactions contemplated therein, pursuant to which, among other
      matters, (i)  at the effective time, United Federal will merge with and
      into Triangle Bank or a wholly-owned interim bank subsidiary of
      Triangle (the "Merger"), and (ii)  each share of common stock of United
      Federal outstanding immediately prior to the Merger will be converted
      into 1.098 shares of the common stock, no par value, of Triangle.

      [  ]   FOR               [   ]  AGAINST            [  ]  ABSTAIN


2.    OTHER BUSINESS. To vote the shares of United Federal common stock
      represented by this appointment of proxy upon such other matters as may
      properly come before the Special Meeting and any adjournments thereof in
      accordance with their best judgment.

EVEN IF YOU ALREADY VOTED USING A WHITE PROXY CARD, PLEASE VOTE, SIGN AND DATE
THIS APPOINTMENT OF PROXY ON THE REVERSE SIDE AND PROMPTLY RETURN IT USING THE
ENCLOSED ENVELOPE.







                           (continued from other side)

      THE SHARES REPRESENTED BY THIS APPOINTMENT OF PROXY WILL BE VOTED AS
DIRECTED ABOVE. IN THE ABSENCE OF ANY DIRECTION, THE PROXIES WILL VOTE THE
SHARES REPRESENTED BY THIS APPOINTMENT OF PROXY FOR PROPOSAL 1. SHOULD OTHER
MATTERS PROPERLY COME BEFORE THE SPECIAL MEETING, THE PROXIES WILL BE AUTHORIZED
TO VOTE THE SHARES REPRESENTED BY THIS APPOINTMENT OF PROXY IN ACCORDANCE WITH
THEIR BEST JUDGMENT. THIS APPOINTMENT OF PROXY MAY BE REVOKED BY THE HOLDER OF
THE SHARES TO WHICH IT RELATES AT ANY TIME BEFORE IT IS EXERCISED BY FILING WITH
THE SECRETARY OF UNITED FEDERAL A WRITTEN INSTRUMENT REVOKING IT OR A DULY
EXECUTED APPOINTMENT OF PROXY BEARING A LATER DATE OR BY ATTENDING THE SPECIAL
MEETING AND ANNOUNCING HIS OR HER INTENTION TO VOTE IN PERSON.


                              By signing this proxy, the undersigned hereby
                              acknowledges receipt of the Notice of Special
                              Meeting and accompanying Proxy
                              Statement/Prospectus each dated August 7, 1998,
                              and the Proxy Statement/Prospectus Supplement
                              dated September 1, 1998.


                              Dated: _______________________________, 1998



                              ---------------------------------------------
                              Signature of Owner of Shares



                              ---------------------------------------------
                              Signature of Joint Owner of Shares (if any)


                              Instruction: Please sign above exactly as your
                              name appears on this appointment of proxy. Joint
                              owners of shares should both sign. Fiduciaries or
                              other persons signing in a representative capacity
                              should indicate the authorized capacity in which
                              they are signing.

IMPORTANT: TO INSURE THAT A QUORUM IS PRESENT AT THE SPECIAL MEETING, PLEASE
SEND IN YOUR APPOINTMENT OF PROXY WHETHER OR NOT YOU HAVE ALREADY VOTED USING A
WHITE PROXY CARD AND WHETHER OR NOT YOU PLAN TO ATTEND. EVEN IF YOU SEND IN YOUR
APPOINTMENT OF PROXY, YOU WILL BE ABLE TO VOTE IN PERSON AT THE SPECIAL MEETING
IF YOU SO DESIRE.