TRIANGLE BANCORP, INC.

                        1988 INCENTIVE STOCK OPTION PLAN


Triangle Bancorp,  Inc., a bank holding company organized and existing under the
laws of the  State of North  Carolina  (herein  referred  to as the  "Company"),
hereby  adopts  the  following  Stock  Option  Plan  (the  "Plan")  for  certain
individuals performing services for the Company or any of its subsidiaries.

     1.  Purpose.  This Plan is intended to advance the interests of the Company
by  allowing  officers  and other key  employees  of the  Company  or any of its
subsidiaries  who  have  substantial   responsibility   for  the  direction  and
management  of the Company or any of its  subsidiaries  to acquire a proprietary
interest  in the Company as an  additional  incentive  to promote the  Company's
success,  and by  encouraging  such  individuals  to continue  to provide  their
services  to the  Company  or  any  of its  subsidiaries.  These  aims  will  be
effectuated  by the granting of certain stock options  issued under the Plan and
designated  by the  Committee  (defined  hereinafter)  pursuant to Section  3(b)
hereof will qualify as Incentive  Stock Options  (hereinafter  called  "ISO's").
Under  Section  422A of the  Internal  Revenue  Code of 1986,  as  amended  (the
"Code"),  and the terms of the Plan shall be interpreted in accordance with this
intention.  Options  granted  under this Plan are  referred  to  hereinafter  as
"Options".

     2. Plan. The Plan shall be administered by the Compensation  Committee (the
"Committee") of the Board of Directors ("the Board") of the Company, which shall
consist of not less than three  members.  Subject to the provisions of the Plan,
the Committee shall have full authority,  in its  description,  to (a) determine
the employees  (from the class of employees  eligible  under Section 3 hereof to
receive Options under the Plan) to whom Options shall be granted;  (b) determine
the time or times at which  Options  shall be granted;  (c) determine the option
price of the shares  subject to each Option,  which price shall be not less than
the  minimum  specified  in  accordance  with  Section 5 hereof;  (d)  determine
(subject to  Sections 7 and 9 hereof)  the time or times when each Option  shall
become exercisable and the duration of the exercise;  and (e) interpret the Plan
and  prescribe,  amend,  and rescind rules and  regulations  relating to it. The
interpretation  and  construction  of any provision of the Plan by the Committee
shall be final and conclusive.  The Committee may consult with counsel and other
professional  advisors, who may be counsel or advisors to the Company, and shall
not incur any  liability for any action taken in good faith in reliance upon the
advice of such counsel or advisors.

     3. Eligibility. (a) Options may be granted by the Committee only to persons
who are officers or other key  employees  of the Company or a subsidiary  of the
Company who perform services of major  importance in the management,  operation,
and  development  of the  business  of the Company or of any  subsidiary  of the
Company,  and the Committee





shall  determine  the  number of  shares  to be  allocated  to each  Option.  In
determining  the  eligibility  of an employee to receive an Option as well as in
determining the number of shares to be optioned to any individual, the Committee
shall  consider  the  position  and  responsibilities  of the  individual  being
considered,  the nature and value to the Company of such  individual's  services
and  accomplishments,  the person's  present and potential  contributions to the
success  of the  Company,  and such  other  factors  as the  Committee  may deem
relevant.  A person receiving an Option pursuant to this Plan shall sometimes be
referred to hereinafter as an "Optionee".

     (b) At the time each Option is granted to an employee  under this Plan, the
Committee shall determine  whether such Option is to be designated as an ISO. No
Option  granted  to any  employee  who at the  time of  such  grant  owns  stock
possessing  more than 10% of the total  combined  voting power of all classes of
stock of the Company or any of its  subsidiaries  may be  designated  as an ISO,
unless at the time of such grant the option price is fixed at not less than 110%
of the fair  market  value of the Shares  (defined  hereinafter)  subject to the
Option,  and  exercise  of such  Option is  prohibited  by its  terms  after the
expiration of five years from the date such Option is to the Plan. There will be
reserved  for use upon the  exercise of Options to be granted  from time to time
under the Plan (subject granted.

     (c) No  individual  shall be  given  the  opportunity  under  this  Plan to
exercise  Options for Shares  valued (at the time of the granting of the Option)
in excess of $100,000 in any calendar year, unless and except to the extent that
said Options shall have first become  exercisable in a preceding year. No Option
shall be granted  hereunder for the purchase of Shares in such a manner as would
cause the foregoing restriction to be violated.

     4.  Shares of Stock  Subject  to the  provisions  of  Section 6 hereof)  an
aggregate of 860,244  Shares of the no par value common stock (the  "Shares") of
the Company,  which, as the Committee shall from time to time determine,  may be
in whole or in part either  authorized  but unissued  Shares,  or issued  Shares
which shall have been reacquired by the Company. Any Shares subject to an Option
under the Plan, which Option for any reason expires or is terminated unexercised
as to such Shares, may again be subjected to an Option under the Plan.

     5. Option  Price.  The  purchase  Price under each Option  issued  shall be
determined by the  Committee at the time the Option is granted,  but in no event
shall such purchase price be less than 100% (110%, in the case of an ISO granted
to an employee described in Section 3(b) hereof) of the fair market value of the
Company's  Shares on the date of the  grant.  If the  shares  are  traded in the
over-the-counter  market,  such fair market value shall be deemed to be the mean
between the asked and the bid prices on such day as  reported by NASDAQ.  If the
stock is traded on an exchange, such fair market value shall be deemed to be the
mean of the high and low  prices  at which it is quoted or traded on such day on
the  exchange on which it  generally  has the greatest  trading  volume.  In all
cases, any determination  hereunder by the Committee as to the fair market value
of the

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Shares for which  Options are  granted  shall be made in good faith and shall be
determinative for all purposes of this Plan.

     6.  Adjustment  for  Dilution,  Etc.  In  the  event  that  there  is (a) a
subdivision or  consolidation of the Company's common stock or any other capital
adjustment of the Company's common stock,  (b) the payment by the Company,  of a
stock dividend,  or (c) any other increase or decrease in the outstanding common
stock of the Company  effected  without receipt of consideration by the Company,
then the  number of Shares  then  covered  by each  outstanding  Option  granted
hereunder  shall be adjusted  proportionately  with no  adjustment  in the total
purchase  price of the Shares then so covered by such Option,  and the number of
Shares  reserved  for the  purpose  of the Plan  shall be  adjusted  by the same
proportion.  All  such  adjustments  shall  be  made  by  the  Committee,  whose
determination  upon the same shall be final and binding upon the  Optionees.  No
fractional  Shares shall be issued and any fractional  Shares resulting from the
computations  pursuant to this Section 6 shall be eliminated from the respective
Option.  No  adjustment  shall be made for cash  dividends  or the  issuance  to
stockholders of rights to subscribe for additional Shares or other securities.

     7. Duration and Exercise of Options.  (a) All Options issued under the Plan
shall be for such period as the Committee shall determine, but for not more than
ten years (five  years,  in the case of any  employee  described in Section 3(b)
hereof) from the date of the grant thereof. The period of the Option, once it is
granted, may be reduced only as outlined in Section 9 hereof; provided, however,
that  the   Committee   may,   where  the  Company  is  involved  in  a  merger,
consolidation,  dissolution, or liquidation,  accelerate the expiration date and
the dates on which any part of the Option may be exercisable  for all the Shares
covered thereby, but the effectiveness of such acceleration, and the exercise of
the Option pursuant thereto in excess of the number of Shares for which it would
have been exercisable in the absence of such acceleration,  shall be conditioned
upon the consummation of the merger, consolidation, dissolution, or liquidation.
Except as  provided  in  Section 9 or  subsection  (b)  below,  no Option may be
exercised after termination of the Optionee's  employment with the Company,  and
in no event may an Option be exercised after the expiration of its term.

     (b)  Except  as  otherwise  modified  by  the  Committee,  or as  otherwise
expressly  provided  for herein,  Options  granted  under this Plan shall become
exercisable  as they vest in  accordance  with this Section 7. An employee  may,
within three months after  termination  of his  employment,  exercise his option
with  respect  to the  vested  portion  of the  Shares  subject  to the  Option,
determined  in  accordance  with and based on the  whole  number of years of the
Optionee's  continued  employment  with the  Company  or any  subsidiary  of the
Company  from the date the  Option is  granted  through  the date of  Optionee's
termination of employment, determined in accordance with the following schedule:

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                   Years of                     Percentage of
             Continued Employment               Shares Vested
             ------------------------------------------------

                      1                             33.33%
                      2                             33.33%
                      3                             33.33%

In the event an Optionee  terminates  employment  within the  three-year  period
described above, all Shares not vested in accordance with the Schedule described
above shall be forfeited,  and the Optionee  shall have no right to exercise his
Option with respect to any such forfeited Shares. In each case, such limitations
shall be calculated,  in the case of any resulting fraction,  to the nearest low
whole number of Shares. Notwithstanding the foregoing, the Committee may, in its
sole discretion,  (i) prescribe longer time periods and additional  requirements
with respect to the exercise of an Option, (ii) different vesting schedules with
respect to any Option,  and (iii)  terminate in whole or in part such portion of
any Option as has not yet become  exercisable  at the time of  termination of it
determines  that the  Optionee is not  performing  satisfactorily  the duties to
which he was  assigned  on the date the Option was granted or duties of at least
equal  responsibility.  Except as  provided  herein or in  Section 9 hereof,  no
Option may be exercised  unless the Optionee is at the time of such  exercise in
the employ of the Company or of a subsidiary of the Company, and shall have been
continuously  so  employed  since  the  grant of his  Option.  Absence  or leave
approved  by  the   management  of  the  Company  shall  not  be  considered  an
interruption of employment for any purpose under the Plan.

     (c) Subject to limitations  contained herein as to the time for exercise of
an Option and the amount of Shares subject to such Option,  and  notwithstanding
subsection (b) above, each Option shall be exercisable in whole or in part or in
installments  at such time or times  and in such  manner  as the  Committee  may
prescribe and specify in granting the Option to the  Optionee,  which manner may
differ from the exercise periods  otherwise  prescribed in subsection (b) above.
No Shares  shall be  delivered  pursuant to any  exercise of an Option until the
requirements  of such laws and  regulations as may be deemed by the Committee to
be  applicable  to them have been  satisfied,  and further  until receipt by the
Company of the full  option  price in cash for the Shares for which an Option is
exercised.  In order to facilitate the accumulation of funds to enable employees
to exercise their Options,  each Optionee shall have the right,  if he or she so
elects,  to direct the Company or subsidiary of the Company to withhold from his
or her  compensation  regular  amounts to be applied  toward the exercise of the
Options.  Funds credited to the Stock Option  accounts will be under the control
of the Company until applied to the payment of the option price at the direction
of the  employee or returned to the employee in the event the amount is not used
for  purchase  of Shares  under  Option,  and all funds  received or held by the
Company  under the Plan may be used for any corporate  purpose,  and no interest
shall be payable to the  participant  on  account of any  amounts so held.  Such
amounts may be withdrawn by the employee at any time,  in whole or in part,  for
any reason.

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     (d) No Optionee or his legal representative,  legatees, or distributees, as
the case may be,  will  be,  or will be  deemed  to be, a holder  of any  Shares
subject to an Option unless and until certificates for such Shares are issued to
him or them under the terms of the Plan. Except as otherwise provided herein, no
adjustment shall be made for dividends or other rights for which the record date
is prior to the date such stock certificate is issued.

     (e)  Notwithstanding  the  provisions of subsection  7(c), (i) the exercise
price of the Shares  subject to the Option may be paid, at the discretion of the
Board,  by the  tender of Shares  already  owned by the  Optionee,  or through a
combination  of cash and  Shares,  or through  such  other  means that the Board
determines  are  consistent  with the Plan's  purpose  and  applicable  law.  No
fractional Shares will be issued or accepted;

     (ii) the exercise price of the Shares subject to the Option may be paid, at
the discretion of the Board,  on a "cashless"  basis, by delivery to the Company
or its  designated  agent of an  irrevocable  written  notice of  exercise  form
together with  irrevocable  instructions to a broker-dealer  to sell or margin a
sufficient  portion of the shares of stock and deliver the sale or margin  loans
proceeds directly to the Company to pay the exercise price; and

     (iii) with respect to the number of Shares under an Option which exceed the
$100,000 annual vesting limit referred to in subsection 3(c) or which otherwise,
through no decision of the  Optionee,  do not qualify as ISO Shares,  receipt of
those Shares otherwise  issuable by the Company upon exercise of an Option by an
Optionee  may by  deferred  under a program  of delayed  receipt  adopted by the
Board,  which  program  shall  contain  such  rules  governing   eligibility  to
participate,  timing of elections to defer,  forms of distribution of Shares and
the like as the Board shall determine.

     8. Assignability. Each Option granted under this Plan shall be transferable
only  by  will  or by  the  laws  of  descent  and  distribution  and  shall  be
exercisable,  during an  Optionee's  lifetime,  only by the Optionee to whom the
Option is granted.  Except as permitted  by the  preceding  sentence,  no Option
granted  under the Plan or any of the rights and  privileges  thereby  conferred
shall be transferred,  assigned, pledged, or hypothecated in any way (whether by
operation of law or otherwise), and no such Option, right, or privilege shall be
subject to execution,  attachment,  or similar  process.  Upon any attempt so to
transfer, assign, pledge, hypothecate, or otherwise dispose of the Option or any
right or privilege conferred thereby, contrary to the provisions hereof, or upon
the levy of any  attachment  or similar  process  upon such  Option,  right,  or
privilege,  the Option and such rights and privileges shall  immediately  become
null and void.

     9.  Effect  of  Termination  of  Employment,   Death,  or  Disability.  (a)
Notwithstanding  anything  in  this  Plan  to  the  contrary,  in the  event  an
Optionee's employment shall be terminated by reason of the Optionee's retirement
at his Retirement Date (defined hereinafter),  the Optionee shall have the right
to exercise  such Option or Options held by him, to the extent that such Options
have not previously  expired or been

                                       5



exercised,  at any time within  three months  after such  retirement;  upon such
retirement,  all Options held by such Optionee  which have not been  theretofore
exercised by him or otherwise expired shall be immediately  exercisable in full,
notwithstanding Section 7(b) or (c) hereof.

     (b) In the event that an Optionee  shall die while  employed by the Company
or any  subsidiary  of the  Company,  or shall die  within  three  months  after
retirement on or after his Retirement Date, any Option or Options granted to him
under this Plan which have not  previously  expired or been  exercised  shall be
exercisable  by the estate of the Optionee  (or by any person who acquired  such
Option by bequest or  inheritance  from the  Optionee)  in full  notwithstanding
Section  7(b) or (c)  hereof,  any time  within  one year after the death of the
Optionee.  References  herein to the  Optionee  shall be deemed to  include  any
person entitled to exercise the Option after the death of the Optionee under the
terms of this Section 9(b).

     (c) In the event of an  Optionee's  termination  of employment by reason of
the Optionee's  disability,  the Optionee shall have the right,  notwithstanding
Section  7(b) or (c) hereof,  to exercise  all Options held by him to the extent
that such Options have not  previously  expired or been  exercised,  at any time
within one year after such termination;  upon such disability,  all Options held
by such Optionee which have not been  theretofore  exercised by him or otherwise
expired shall be immediately  exercisable in full,  notwithstanding Section 7(b)
or (c) hereof.  The term  "disability"  shall, for the purposes of this Plan, be
defined in the same manner as such term is defined in Section  105(d)(4)  of the
Code.

     (d) For the purposes of this Plan,  "Retirement  Date" shall mean, any date
an employee is otherwise  entitled to retire  under any of the  Company's or its
subsidiaries'  retirement  plans, or if no such retirement plans exist, then the
date on which the Optionee attains age 65.

     10. Listing and Registration of Shares. Each Option shall be subject to the
requirement  that  if  at  any  time  the  Committee  shall  determine,  in  its
description,  that the listing,  registration,  or  qualification  of the Shares
covered thereby upon any securities exchange or any state or federal law, or the
consent or  approval  of any  governmental  regulatory  body,  is  necessary  or
desirable as a condition of, or in connection  with, the granting of such Option
or the issue or purchase of Shares thereunder,  such Option may not be exercised
in whole or in part unless and until such listing, registration,  qualification,
consent,  or approval shall have been effected or basined free of any conditions
not acceptable to the  Committee.  The Company shall not be required to issue or
deliver any  certificate  for Shares of its stock purchased upon the exercise of
any part of an Option  before (i) the admission of such Shares to listing on any
stock  exchange  in which  the stock of the  Company  may then be  listed,  (ii)
completion  of any  registration  or other  qualification  of such  governmental
regulatory  body that the Company shall,  in its sole  discretion,  determine is
necessary  or  advisable,  and (iii) the  Committee  shall have


                                       6


been  advised  by  counsel  that all  applicable  legal  requirements  have been
complied with and satisfied.

     11.  Expiration and  Termination of the Plan.  Options may be granted under
the Plan at any time or from time to time so long as the total  number of Shares
at any one time  optioned  and/or  purchased  under  this Plan  does not  exceed
460,244 Shares. The Plan may be abandoned or terminated at any time by the Board
except with respect to any Options then  outstanding  under the Plan.  No Option
shall be granted pursuant to the Plan after ten years from effective date of the
Plan.

     12.  Amendment  of Plan.  The  Board  may at any time and from time to time
modify  and amend the Plan  (including  the form of any option  agreement  to be
executed  pursuant  hereto) in any  respects;  provided,  however,  that no such
amendment  shall:  (a) increase (except in accordance with Section 6 hereof) the
maximum  number of Shares for which Options may be granted under the Plan either
in the aggregate or to any  individual;  (b) reduce  (except in accordance  with
Section 6 hereof) the minimum option prices which may be  established  under the
Plan;  (c) extend the period or periods  during which  Options may be granted or
exercised;   (d)  change  the  provisions   relating  to  the  determination  of
individuals  to whom  Options  shall be  granted  and the number of Shares to be
covered by such Options; or (e) change the provisions relating to adjustments to
be made upon changes in  capitalization.  The termination or any modification or
amendment  of the Plan shall not,  without the consent if the  Optionee,  affect
such Optionee's rights under an Option theretofore granted to him.

     13. Applicability of Plan to Outstanding Stock Options. This Plan shall not
affect the terms and conditions of any  non-qualified  stock options  heretofore
granted to any  individual by the Company or any of its  predecessors  under any
other plan or agreement  relating to non-qualified  stock options,  nor shall it
affect any of the rights of any  individual to whom such a  non-qualified  stock
option was granted.

     14.  Effective Date of Plan. This Plan shall become effective upon adoption
by the Board,  subject to approval by the shareholders of the Company (or any of
its predecessors).  This Plan shall not become effective unless such shareholder
approval shall be obtained  within twelve months before or after the adoption of
the Plan by the Board.

     15. Change in Control. In the event of a "change in control of the Company,
any option granted  hereunder shall be deemed to be fully vested and immediately
exercisable,  entitling the Optionee to immediately  exercise the Option in full
and to purchase,  prior to the  effective  date of any "change in control",  the
full number of Shares  subject to such option  which he or she  otherwise  would
have been  entitled to purchase  during the remaining  term of such option.  The
Committee shall give each Optionee at least thirty (3) days prior written notice
of any event giving rise to an immediate purchase right under this Section 15.

                                       7



For  purposes of this  Section 15, the phrase  "change-in-control  means (1) any
"person" (as defined in Sections 13(d) and 14 (d) of the Securities Exchange Act
of 1934 (the "Exchange Act") becoming the "beneficial owner" (as defined in Rule
13d-3 under the Exchange  Act),  directly or  indirectly,  of  securities of the
Company  representing twenty percent (20%) or more of the Company's  outstanding
securities having the right to vote at the election of directors, or (ii) during
any period of two (2)  consecutive  years, a change in the majority of the Board
of  Directors  unless the election of each new Director was approved by at least
two-thirds  of the  Directors  then  still in office  who are  Directors  at the
beginning  of such two (2) year  period ", or (iii) a merger,  consolidation  or
sale of all or  substantially  all of the  assets  of the  Company  in which the
Company is not the surviving  institution,  or (iv) the  distribution of a proxy
statement  soliciting  proxies from shareholders of the Company by someone other
than the current management of the company,  seeking  shareholder  approval of a
plan of  reorganization,  merger or  consolidation  of,  the  Company or similar
transaction  with one or more  corporations  as result of which the  outstanding
shares of the class of securities then subject to the plan of reorganization are
exchanged for or converted into cash or property or securities not issued by the
Company,  or (v) a tender offer is made for twenty  percent (20%) or more of the
voting securities of the Company.

*    As amended by the Board of Directors on November 18, 1997.

*    As amended by the Board of Directors on August 19, 1997.

*    As amended by the Board of Directors on February 23, 1995.

*    As amended by the Shareholders on May 23, 1995

*    As amended By the Board of Directors  Compensation Committee on January 25,
     1994.

*    As amended by the Shareholders as of December 16, 1993.



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