Document:

Exhibit 10.28

                                    ADDENDUM

      This Addendum dated as of December 1, 2005, sets forth certain amendments
to the Employment Agreement, dated as of March 1, 2004, between (i) COMMUNITY
BANK SYSTEM, INC. ("CBSI"), a Delaware corporation and registered bank holding
company, and COMMUNITY BANK, N.A. ("CBNA"), a national banking association, both
having offices in Dewitt, New York (collectively, the "Company") and (ii)
SANFORD A. BELDEN, an individual currently residing at 9 Lynacres Boulevard,
Fayetteville, New York ("Executive").

                                    Recitals

      A. The parties desire to effectuate a smooth and orderly management
succession plan in keeping with the interests of the Company and Executive.

      B. The Employment Agreement, dated as of March 1, 2004 ("Employment
Agreement"), currently provides for various mutual obligations in connection
with Executive's retirement or the expiration of the Employment Agreement.

      C. The parties desire to augment the provisions of paragraph 3(g) of the
Employment Agreement in providing for the retirement of Executive in an orderly
manner consistent with the terms of the Employment Agreement.

      NOW, IN CONSIDERATION of the promises and mutual agreements and covenants
contained herein, and other good and valuable consideration, the parties agree
as follows:

      1. Retirement.

            The Company and Executive agree that Executive shall retire as
President and Chief Executive Officer of the Company on July 31, 2006
("Retirement Date"), subject to his continued employment with the Company to the
Retirement Date, in accordance with the terms of this Addendum and the
Employment Agreement.

            Upon Executive's retirement in accordance with the preceding
sentence, the Company shall, within 30 days of the Retirement Date:

            (a) pay to Executive, as severance pay, an amount determined by the
Company that will provide Executive with sufficient funds (after taxes) to
purchase coverage for Executive and his spouse

<PAGE>

under the applicable retiree provisions of the Company's group health plan for
the twelve-month period following Executive's retirement;

            (b) pay to Executive the pro-rata portion (based on Executive's
complete months of active employment in 2006) of all cash incentive compensation
and bonuses that are payable with respect to 2006 at the Target level of
achievement under the Company's Management Incentive Program (50% of base
salary); and

            (c) transfer to Executive title to the Company-owned vehicle
currently used by Executive in performing duties for the Company.

            The Company shall grant or cause to be granted to Executive, by no
later than December 30, 2005, an option or options to acquire the same number of
shares of CBSI stock that would have been the subject of options to be granted
to the Executive in January or February 2006 pursuant to the Community Bank
System, Inc. 2004 Long-Term Incentive Compensation Program. The option(s)
granted shall provide for a per share exercise price equal to the fair market
value of a share of Community Bank System, Inc. stock on the date the grant is
made.

      2. Consulting Agreement.

            Effective upon Executive's retirement on the Retirement Date,
Executive and the Company shall enter into a Consulting Agreement substantially
in the form attached as Exhibit A. The Consulting Agreement shall provide for
Executive's continued services to the Company for a period of 36 months at a
compensation rate of $4,000 per month without other benefits, except as provided
for in the Employment Agreement.

      3. Continued Service.

            Executive shall continue to serve as a Director of CBSI and CBNA
through his current term which expires at the Company's annual meeting in 2006,
provided he remains qualified to serve as a director under applicable law and
regulations and the Company's Bylaws as such requirements are applicable to all
directors. Effective no later than the Retirement Date, Executive shall be
appointed to serve as Vice Chair of the CBSI Board of Directors and as Chair of
a newly-created CBSI Board Committee to focus on mergers and acquisitions,
growth initiatives, and integration of such mergers and acquisitions, which
committee shall report to the full Board of Directors.

<PAGE>

            Provided that Executive remains qualified to serve under applicable
law and regulations and the Company's Bylaws as such requirements are applicable
to all directors, and subject to the exercise of the fiduciary duties of the
Company's Board of Directors, the Company and the Company's nominating committee
shall nominate, and recommend for reelection, the Executive for (i) a three-year
term on the Board of Directors at CBSI's annual meeting in 2006, and (ii)
additional terms on the Board of Directors of CBNA for the same period that
Executive is a director of CBSI. During the term of the Consulting Agreement,
Executive shall not receive compensation for his service as a Director of the
Company (including but not limited to Director fees or benefits under the
Director's Stock Balance Plan), and Executive shall be eligible for only such
specific grants under Long-Term Incentive Compensation Plan as may be approved
by Board for Executive. Following expiration or termination of Executive's
service under the Consulting Agreement, Executive shall be entitled to receive
the normal Director fees and reimbursement of expenses related to service as a
Director for the Company, and Executive shall be eligible for such stock options
or awards under the 2004 Long-Term Incentive Compensation Program as such grants
may be approved by the Board of Directors in the future. However, the Executive
shall not be entitled to participate in the Director's Stock Balance Plan.

      4. Miscellaneous.

            (a) This Addendum is not intended to, and shall not, supersede the
terms and conditions of the Employment Agreement or the Supplemental Retirement
Plan Agreements dated as of March 1, 2004 and January 1, 2005 between the
parties, except as expressly provided for herein. The Employment Agreement and
Supplemental Retirement Plan Agreements shall continue to be operative.

            (b) This Agreement was executed and delivered in New York and shall
be construed and governed in accordance with the laws of the State of New York.

            (c) This Agreement may not be assigned by the Executive or the
Company, except that this Agreement shall be binding upon and shall inure to the
benefit of the Company through merger or corporate reorganization.

            (d) This Agreement cannot be amended, modified, or supplemented in
any respect, except by a subsequent written agreement entered into by the
parties hereto.

<PAGE>

            (e) The jurisdiction of any proceeding between the parties arising
out of, or with respect to, this Agreement shall be in a court of competent
jurisdiction in New York State, and venue shall be in Onondaga County. Each
party shall be subject to the personal jurisdiction of the courts of New York
State.

            The foregoing is established by the following signatures of the
parties.

                                        COMMUNITY BANK SYSTEM, INC.

                                        By:  /s/ James A. Gabriel
                                             -----------------------------------
                                        Its: Chairman
                                             -----------------------------------

                                        COMMUNITY BANK, N.A.

                                        By:  /s/ James A. Gabriel
                                             -----------------------------------
                                        Its: Chairman
                                             -----------------------------------

                                             /s/ Sanford A. Belden
                                        ----------------------------------------
                                                 Sanford A. BeldenExhibit 10.29

                              EMPLOYMENT AGREEMENT

            This sets forth the terms of the Employment Agreement made effective
as of December 1, 2005 between (i) COMMUNITY BANK SYSTEM, INC., a Delaware
corporation and registered bank holding company, and COMMUNITY BANK, N.A., a
national banking association, both having offices located in Dewitt, New York
(collectively, the "Employer"), and (ii) MARK E. TRYNISKI, an individual
currently residing at 1964 Penfold Way, Baldwinsville, New York ("Employee").
This Agreement is effective as of December 1, 2005 and supersedes the Employment
Agreement between the parties dated as of March 8, 2004.

                               W I T N E S S E T H

            IN CONSIDERATION of the promises and mutual agreements and covenants
contained herein, and other good and valuable consideration, the parties agree
as follows:

            1. Employment.

                  (a) Term. Employer shall employ Employee for a term commencing
on December 1, 2005 and ending on December 31, 2008 ("Period of Employment"),
subject to termination as provided in paragraph 3 hereof. Employee shall serve
as Chief Operating Officer and Executive Vice President of Community Bank
System, Inc. and Community Bank, N.A., from December 1, 2005 until the earlier
of (i) the retirement of Sanford A. Belden as Employer's President and Chief
Executive Officer, or (ii) August 1, 2006, at which earlier time Employee will
succeed Sanford A. Belden as President and Chief Executive Officer of Employer.

                  (b) Salary. During the period of December 1, 2005 through the
date Employee assumes the duties of President and Chief Executive Officer of
Employer, Employer shall pay Employee base salary at the annual rate of
$325,000.00 ("Base Salary"). Employee's Base Salary shall increase to an annual
rate of $400,000.00 when Employee assumes the duties of President and Chief
Executive Officer of Employer. Employee's Base Salary for periods after Employee
assumes the duties of President and Chief

<PAGE>

Executive Officer of Employer shall be reviewed and adjusted in accordance with
Employer's regular payroll practices for executive employees.

                  (c) Incentive Compensation. Employee shall be entitled to
annual incentive compensation opportunities pursuant to the terms of the
Management Incentive Plan which has been approved by the Board of Directors of
Employer to cover Employee and other key personnel of Employer. Upon termination
of Employee's employment pursuant to subparagraph 3(a), 3(b), 3(c) or 6,
Employee shall be entitled to a pro rata portion (based on Employee's complete
months of active employment in the applicable year) of the annual incentive
award that is payable with respect to the year during which the termination
occurs or, in the case of a termination upon Employee's disability pursuant to
subparagraph 3(c), the date the Disability Period began.

            2. Duties during the Period of Employment. Employee shall have
responsibility, subject to the control of Employer's Board of Directors for the
supervision of all assigned aspects of Employer's business and operations,
including all banking, operations, financial services, technology, treasury
management and human resources activities, and the discharge of such other
duties and responsibilities to Employer as may from time to time be reasonably
assigned to Employee by Employer's Board of Directors. Employee shall report to
the President and Chief Executive Officer of Employer until Employee assumes the
duties of President and Chief Executive Officer of Employer and thereafter shall
report to Employer's Board of Directors. Upon assuming the duties of President
and Chief Executive Officer, Employee shall have responsibility, subject to the
control of Employer's Board of Directors, for the supervision of all aspects of
Employer's business and operations, and such other duties and responsibilities
as may from time to time be reasonably assigned to Employee by Employer's Board
of Directors. Employee shall devote Employee's best efforts to the affairs of
Employer, serve faithfully and to the best of Employee's ability and devote all
of Employee's working time and attention, knowledge, experience, energy and
skill to the business of Employer, except that Employee may affiliate with
professional associations, business and civic organizations; provided that such
affiliations are not inconsistent with and do interfere with the performance of
Employee's duties under this Agreement. In connection with the Employee assuming
the duties of President and Chief Executive Officer, the Employee

<PAGE>

shall be appointed to serve as a Director of Community Bank System, Inc. and
Community Bank, NA, provided that such appointment and subsequent re-nomination
to serve as a Director shall be subject to (i) Employee being qualified to serve
under applicable law, regulations, and the Employer's bylaws, and (ii) the
exercise of the fiduciary duties of the Employer's Board of Directors and
nominating committee of the Board of Directors. Employee shall serve on the
Board of Directors of, or as an officer of Employer's affiliates, without
additional compensation if requested to do so by the Board of Directors of
Employer. Employee shall receive only the compensation and other benefits
described in this Agreement for Employee's duties as a Director of Employer or
any of its affiliates.

            3. Termination. Employee's employment by Employer shall be subject
to termination as follows:

                  (a) Expiration of the Term. This Agreement shall terminate
automatically at the expiration of the Period of Employment unless the parties
enter into a written agreement extending Employee's employment, except for the
continuing obligations of the parties as specified hereunder.

                  (b) Termination Upon Death. This Agreement shall terminate
upon Employee's death. In the event this Agreement is terminated as a result of
Employee's death, Employer shall continue payments of Employee's Base Salary for
a period of 90 days following Employee's death to the beneficiary designated by
Employee on the "Beneficiary Designation Form" attached to this Agreement as
Appendix A. Employee's beneficiary shall be free to dispose of any restricted
stock previously granted to Employee by Employer. Additionally, Employer shall
treat as immediately exercisable all unexpired stock options issued by Employer
and held by Employee that are not exercisable or that have not been exercised,
so as to permit the Beneficiary to purchase the balance of Community Bank
System, Inc. ("CBSI") Stock not yet purchased pursuant to said options until the
end of the full exercise period provided in the original grant of the option
right, determined without regard to Employee's death or termination of
employment.

                  (c) Termination Upon Disability. Employer may terminate this
Agreement upon Employee's disability. For the purpose of this Agreement,
Employee's inability to perform Employee's duties hereunder by reason of
physical or mental illness or injury for a period of 26 successive weeks (the
"Disability Period") shall constitute disability. The determination of
disability shall be made by

<PAGE>

a physician selected by Employer and a physician selected by Employee; provided,
however, that if the two physicians so selected shall disagree, the
determination of disability shall be submitted to arbitration in accordance with
the rules of the American Arbitration Association and the decision of the
arbitrator shall be binding and conclusive on Employee and Employer. During the
Disability Period, Employee shall be entitled to 100% of Employee's Base Salary
otherwise payable during that period, reduced by any other benefits to which
Employee may be entitled for the Disability Period on account of such disability
(including, but not limited to, benefits provided under any disability insurance
policy or program, worker's compensation law, or any other benefit program or
arrangement). Upon termination pursuant to this disability provision, Employee
shall be free to dispose of any restricted stock granted to Employee.
Additionally, Employer shall treat as immediately exercisable all unexpired
stock options issued by Employer and held by Employee that are not exercisable
or that have not been exercised, so as to permit the Employee to purchase the
balance of CBSI Stock not yet purchased pursuant to said options until the end
of the full exercise period provided in the original grant of the option right,
determined without regard to Employee's disability or termination of employment.

                  (d) Termination for Cause. Employer may terminate Employee's
employment immediately for "cause" by written notice to Employee. For purposes
of this Agreement, a termination shall be for "cause" if the termination results
from any of the following events:

                        (i) Material breach of this Agreement;

                        (ii) Documented misconduct as an executive or director
of Employer, or any subsidiary or affiliate of Employer for which Employee is
performing services hereunder including, but not limited to, misappropriating
any funds or property of any such company, or attempting to obtain any personal
profit (x) from any transaction to which such company is a party or (y) from any
transaction with any third party in which Employee has an interest which is
adverse to the interest of any such company, unless, in either case, Employee
shall have first obtained the written consent of the Board of Directors of
Employer;

                        (iii) Unreasonable neglect or refusal to perform the
duties assigned to Employee under or pursuant to this Agreement, unless cured
within 60 days;

                        (iv) Conviction of a crime involving moral turpitude;

<PAGE>

                        (v) Adjudication as a bankrupt, which adjudication has
not been contested in good faith, unless bankruptcy is caused directly by
Employer's unexcused failure to perform its obligations under this Agreement;

                        (vi) Documented failure to follow the reasonable,
written instructions of the Board of Directors of Employer, provided that the
instructions do not require Employee to engage in unlawful conduct; or

                        (vii) Any documented violation of the rules or
regulations of the Office of the Comptroller of the Currency or of any other
regulatory agency.

            Notwithstanding any other term or provision of this Agreement to the
contrary, if Employee's employment is terminated for cause, Employee shall
forfeit all rights to payments and benefits otherwise provided pursuant to this
Agreement; provided, however, that Base Salary shall be paid through the date of
termination.

                  (e) Termination For Reasons Other Than Cause. In the event
Employer terminates Employee prior to December 31, 2008 for reasons other than
cause, Employee shall be entitled to a severance benefit equal to the greater of
(i) 200 percent of the sum of the annual Base Salary in effect at the time of
termination and the most recent payment to Employee under the Management
Incentive Plan, payable in equal biweekly installments over the 12-month period
following Employee's termination, or (ii) amounts of Base Salary and expected
Management Incentive Plan payments that otherwise would have been payable
through the balance of the unexpired term of this Agreement, payable in biweekly
installments through the balance of the unexpired term of this Agreement. In
addition, Employer shall: (iii) permit Employee to dispose of any restricted
stock granted to Employee; (iv) treat as immediately exercisable all unexpired
stock options held by Employee that are not exercisable or that have not been
exercised, so as to permit Employee to purchase the balance of CBSI Stock not
yet purchased pursuant to said options until the end of the full exercise period
provided in the original grant of the option right determined without regard to
Employee's termination of employment; (v) fully fund the grantor trust created
pursuant to paragraph 1(i) of the separate "Supplemental Retirement Plan
Agreement" between Employee and Employer, as amended, for benefits payable
pursuant to that separate agreement; and (vi)

<PAGE>

cover Employee and his eligible dependents under all Employer benefit plans and
programs available to Employer's retired employees.

                  If Employer's Board of Directors shall determine, in its sole
discretion, to appoint someone other than Employee to succeed Sanford A. Belden
as Employer's President and Chief Executive Officer, and if Employee shall
remain employed until the effective date of the successor's appointment, then
(x) Employee's employment with Employer shall terminate automatically upon the
effective date of the successor's appointment without any further action by
either Employee or Employer, unless a new employment agreement is reached
between Employee and Employer, and (y) Employee's termination under such
circumstances shall be treated as a termination for reasons other than cause as
described in this paragraph 3(e) (resulting in Employee's entitlement to the
benefits described in the first paragraph of this paragraph 3(e)).

                  Notwithstanding the foregoing, if Employee's employment ends
prior to December 31, 2008 for reasons other than cause and under circumstances
that entitle Employee to payments and benefits under paragraph 6 of this
Agreement (regarding "Change of Control"), then amounts payable under clauses
(i) or (ii) of this paragraph 3(e) shall be reduced by payments made to Employee
under paragraphs 6(a)(i) and (ii).

                  (f) Expiration of Term Without Renewal. In the event that
Employee's employment ends on December 31, 2008 solely because Employer chooses
not to renew or extend this Agreement beyond December 31, 2008 for reasons other
than cause, then Employee shall be entitled to a severance benefit equal to the
sum of (i) 200 percent of the annual Base Salary in effect at the time of
termination, and (ii) the most recent payment to Employee under the Management
Incentive Plan, such sum to be payable in equal biweekly installments over the
six-month period following Employee's termination of employment. Amounts payable
under this paragraph 3(f) shall be reduced by any payments made to Employee
under paragraphs 6(a)(i) and (ii).

                  (g) Employer shall have the right of first refusal to purchase
from Employee or Employee's estate, shares of CBSI stock acquired pursuant to
the exercise of stock options after the date of Employee's termination of
employment for any reason, in the event Employee or

<PAGE>

Employee's estate elects to dispose or transfer such acquired shares. Such right
of first refusal shall expire ten years from the date of termination.

            4. Fringe Benefits.

                  (a) Benefit Plans. During the Period of Employment, Employee
shall be eligible to participate in any employee pension benefit plans (as that
term is defined under Section 3(2) of the Employee Retirement Income Security
Act of 1974, as amended), Employer-paid group life insurance plans, medical
plans, dental plans, long-term disability plans, business travel insurance
programs and other fringe benefit programs maintained by Employer for the
benefit of its executive employees. Participation in any of Employer's benefit
plans and programs shall be based on, and subject to satisfaction of, the
eligibility requirements and other conditions of such plans and programs.
Employer may require Employee to submit to an annual physical, to be performed
by a physician of his own choosing. Employee shall be reimbursed for any
expenses related to the physical that are not covered by Employer's health
insurance plan, or any other plan in which Employee is enrolled. Employee shall
not be eligible to participate in Employer's Severance Pay Plan maintained for
other employees not covered by employment agreements.

                  (b) Expenses. Upon submission to Employer of vouchers or other
required documentation, Employee shall be reimbursed for Employee's actual
out-of-pocket travel and other expenses reasonably incurred and paid by Employee
in connection with Employee's duties hereunder. Reimbursable expenses must be
submitted to the President and Chief Executive Officer of Employer for review on
a quarterly basis until Employee assumes the duties of President and Chief
Executive Officer of Employer, at which time reimbursable expenses must be
submitted to the Compensation Committee of the Board of Directors of Employer
for review on a quarterly basis.

                  (c) Other Benefits. During the Period of Employment, Employee
also shall be entitled to receive the following benefits:

                        (i) Paid vacation of 4 weeks during each calendar year
(with no carry over of unused vacation to a subsequent year) and any holidays
that may be provided to all employees of Employer in accordance with Employer's
holiday policy;

                        (ii) Reasonable sick leave;

<PAGE>

                        (iii) Employer paid memberships for Employee at a golf
club and a social club in the Syracuse, New York area, subject to the approval
of the Compensation Committee of the Board of Directors of Employer and subject
to nondeductible tax treatment by Employer or a reimbursement to Employee for
taxes owed by Employee in connection with such benefit;

                        (iv) The use of an Employer-owned automobile of
Employee's choice, the purchase and replacement of which shall be subject to the
approval of the Compensation Committee of the Board of Directors of Employer;
and

                        (v) Reimbursement of the purchase price of a car
telephone, a cellular telephone and all Employer-related business charges
incurred in connection with the use of such telephones.

                  (d) Supplemental Retirement Benefits. The terms and conditions
for the payment of supplemental retirement benefits are set forth in a separate
written agreement between the parties.

            5. Stock Options. Employer shall cause the Compensation Committee of
the Board of Directors of Employer to review whether Employee should be granted
options to purchase shares of common stock of CBSI. Such review may be conducted
pursuant to the terms of the Community Bank System, Inc. 1994 Long-Term
Incentive Compensation Program, a successor plan, or independently, as the
Compensation Committee shall determine. Reviews shall be conducted no less
frequently than annually.

            6. Change of Control.

                  (a) If Employee's employment with Employer (as an employee)
shall cease for any reason, including Employee's voluntary termination for "good
reason" (as defined in paragraph 6(c) below), but not including Employee's
termination for "cause" (as described in paragraph 3(d)) or Employee's voluntary
termination without "good reason," within 2 years following a "Change of
Control" that occurs during the Period of Employment, Employer shall:

                        (i) Retain the services of Employee, on an independent
contractor basis, as a consultant to Employer for a period of no less than 36
months at an annual consulting fee rate equal to the total of Employee's Base
Salary in effect at the time of Employee's termination plus an amount equal to
the Management Incentive paid to the Employee in the year prior to the "Change
of Control";

<PAGE>

                        (ii) Provide Employee with fringe benefits, or the cash
equivalent of such benefits, identical to those described in paragraph 4(a) for
the period during which Employee is retained as a consultant pursuant to (i)
above. To the extent the benefits provided to Employee in this paragraph
6(a)(ii) are deemed taxable benefits, Employer shall reimburse Employee for
taxes owed by Employee on the benefits and tax reimbursement; and

                        (iii) Treat as immediately exercisable all unexpired
stock options issued by Employer and held by Employee that are not otherwise
exercisable or that have not been exercised (so as to permit Employee to
purchase the balance of CBSI Stock not yet purchased pursuant to said options
until the end of the full exercise period provided in the original grant of the
option right, determined without regard to Employee's termination of employment)
and permit Employee to dispose of any restricted stock granted to Employee.

                        (iv) Subject to Employer's right to make the single lump
sum payment described in paragraph 6(a)(v) below, if any portion of the amounts
paid to, or value received by, Employee following a "Change of Control" (whether
paid or received pursuant to this paragraph 6 or otherwise) constitutes an
"excess parachute payment" within the meaning of Internal Revenue Code Section
280G, then the parties shall negotiate a restructuring of payment dates and/or
methods (but not payment amounts) to minimize or eliminate the application of
Internal Revenue Code Section 280G. If an agreement to restructure payments
cannot be reached within 60 days of the date the first payment is due under this
paragraph 6, then payments shall be made without restructuring. Subject to
paragraph 6(a)(v), Employee shall be responsible for all taxes that are payable
by Employee as a result of Employee's receipt of an "excess parachute payment."

                        (v) Notwithstanding the foregoing of this paragraph
6(a), the Board of Directors of Employer may elect, in its sole discretion, to
pay all benefits due Employee pursuant to this paragraph 6 in a single lump sum
payment within 90 days following a Change of Control and Employee's termination
of employment with Employer. In the event a single lump sum payment is made
pursuant to the foregoing sentence, the amount of the payment shall be increased
to the extent necessary to hold Employee harmless from all income and excise tax
liability attributable to such single lump sum payment.

<PAGE>

                  (b) For purposes of this paragraph 6, a "Change of Control"
shall be deemed to have occurred if:

                        (i) any "person," including a "group" as determined in
accordance with the Section 13(d)(3) of the Securities Exchange Act of 1934
("Exchange Act"), is or becomes the beneficial owner, directly or indirectly, of
securities of Employer representing 30% or more of the combined voting power of
Employer's then outstanding securities;

                        (ii) as a result of, or in connection with, any tender
offer or exchange offer, merger or other business combination (a "Transaction"),
the persons who were directors of Employer before the Transaction shall cease to
constitute a majority of the Board of Directors of Employer or any successor to
Employer;

                        (iii) Employer is merged or consolidated with another
corporation and as a result of the merger or consolidation less than 70% of the
outstanding voting securities of the surviving or resulting corporation shall
then be owned in the aggregate by the former stockholders of Employer, other
than (A) affiliates within the meaning of the Exchange Act, or (B) any party to
the merger or consolidation;

                        (iv) a tender offer or exchange offer is made and
consummated for the ownership of securities of Employer representing 30% or more
of the combined voting power of Employer's then outstanding voting securities;
or

                        (v) Employer transfers substantially all of its assets
to another corporation which is not controlled by Employer.

                  (c) For purposes of this paragraph 6, "good reason" shall mean
action taken by Employer that results in:

                        (i) An involuntary and material adverse change in
Employee's title, duties, responsibilities, or total remuneration;

                        (ii) An involuntary and material relocation of the
office from which Employee is expected to perform his duties; or

                        (iii) An involuntary and material adverse change in the
general working conditions (including travel requirements and clerical support)
applicable to Employee.

<PAGE>

            7. Withholding. Employer shall deduct and withhold from compensation
and benefits provided under this Agreement all necessary income and employment
taxes and any other similar sums required by law to be withheld.

            8. Covenants.

                  (a) Confidentiality. Employee shall not, without the prior
written consent of Employer, disclose or use in any way, either during his
employment by Employer or thereafter, except as required in the course of his
employment by Employer, any confidential business or technical information or
trade secret acquired in the course of Employee's employment by Employer.
Employee acknowledges and agrees that it would be difficult to fully compensate
Employer for damages resulting from the breach or threatened breach of the
foregoing provision and, accordingly, that Employer shall be entitled to
temporary preliminary injunctions and permanent injunctions to enforce such
provision. This provision with respect to injunctive relief shall not, however,
diminish Employer's right to claim and recover damages. Employee covenants to
use his best efforts to prevent the publication or disclosure of any trade
secret or any confidential information concerning the business or finances of
Employer or Employer's affiliates, or any of its or their dealings, transactions
or affairs which may come to Employee's knowledge in the pursuance of his duties
or employment.

                  (b) No Competition. Employee's employment is subject to the
condition that during the term of his employment hereunder and for the period
specified in paragraph 8(c) below, Employee shall not, directly or indirectly,
own, manage, operate, control or participate in the ownership, management,
operation or control of, or be connected as an officer, employee, partner,
director, individual proprietor, lender, consultant or otherwise with, or have
any financial interest in, or aid or assist anyone else in the conduct of, any
entity or business (a "Competitive Operation") which competes in the banking
industry or with any other business conducted by Employer or by any group,
affiliate, division or subsidiary of Employer, in the states of New York and
Pennsylvania. Employee shall keep Employer fully advised as to any activity,
interest, or investment Employee may have in any way related to the banking
industry. It is understood and agreed that, for the purposes of the foregoing
provisions of this paragraph, (i) no business shall be deemed to be a business
conducted by Employer or any group, division, affiliate or subsidiary of
Employer unless 5% or more of Employer's consolidated gross sales or operating
revenues is

<PAGE>

derived from, or 5% or more of Employer's consolidated assets are devoted to,
such business; (ii) no business conducted by any entity by which Employee is
employed or in which he is interested or with which he is connected or
associated shall be deemed competitive with any business conducted by Employer
or any group, division or subsidiary of Employer unless it is one from which 2%
or more of its consolidated gross sales or operating revenues is derived, or to
which 2% or more of its consolidated assets are devoted; and (iii) no business
which is conducted by Employer at the Date of Termination and which subsequently
is sold by Employer shall, after such sale, be deemed to be a Competitive
Operation within the meaning of this paragraph. Ownership of not more than 5% of
the voting stock of any publicly held corporation shall not constitute a
violation of this paragraph.

                  (c) Non-Competition Period. If Employee's employment with
Employer shall cease for any reason during the Period of Employment as defined
in paragraph 1(a) of this Agreement, the "non-competition period" shall begin on
the date the first payment is made pursuant to the terms of this Agreement and
shall end on the earlier of (i) the date that is 18 months after the date the
final payment is made pursuant to the terms of this Agreement, or (ii) December
31, 2008.

                  (d) Certain Affiliates of Employer. It is understood that
Employee may have access to technical knowledge, trade secrets and customer
lists of affiliates of Employer or companies which Employer's parent may acquire
in the future and may serve as a member of the board of directors or as an
officer or employee of an affiliate of Employer. Employee covenants that he
shall not, during the term of his employment by Employer or for the period
specified in 8(c) above, in any way, directly or indirectly, own, manage,
operate, control or participate in the ownership, management, operation or
control of, or be connected as an officer, employee, partner, director,
individual proprietor, lender, consultant or otherwise aid or assist anyone else
in any business or operation which competes with or engages in the business of
such an affiliate.

                  (e) Termination of Payments. Upon the breach by Employee of
any covenant under this paragraph 8, Employer may offset and/or recover from
Employee immediately any and all amounts paid to Employee under this Agreement
in addition to any and all other remedies available to Employer under the law or
in equity.

<PAGE>

            9. Notices. Any notice which may be given hereunder shall be
sufficient if in writing and mailed by certified mail, return receipt requested,
to Employee at his residence and to Employer at 5790 Widewaters Parkway, Dewitt,
New York 13214, or at such other addresses as either Employee or Employer may,
by similar notice, designate.

            10. Rules, Regulations and Policies. Employee shall abide by and
comply with all of the rules, regulations, and policies of Employer, including
without limitation Employer's policy of strict adherence to, and compliance
with, any and all requirements of the banking, securities, and antitrust laws
and regulations.

            11. No Prior Restrictions. Employee affirms and represents that
Employee is under no obligations to any former employer or other third party
which is in any way inconsistent with, or which imposes any restriction upon,
the employment of Employee by Employer, or Employee's undertakings under this
Agreement.

            12. Return of Employer's Property. After Employee has received
notice of termination or at the end of the term hereof, whichever first occurs,
Employee shall promptly return to Employer all documents and other property in
his possession belonging to Employer.

            13. Construction and Severability. The invalidity of any one or more
provisions of this Agreement or any part thereof, all of which are inserted
conditionally upon their being valid in law, shall not affect the validity of
any other provisions to this Agreement; and in the event that one or more
provisions contained herein shall be invalid, as determined by a court of
competent jurisdiction, the court shall have authority to modify such provision
in a manner that most closely reflects the intent of the parties and is valid.

            14. Governing Law. This Agreement was executed and delivered in New
York and shall be construed and governed in accordance with the laws of the
State of New York.

            15. Assignability and Successors. This Agreement may not be assigned
by Employee or Employer, except that this Agreement shall be binding upon and
shall inure to the benefit of the successor of Employer through merger or
corporate reorganization.

            16. Miscellaneous. This Agreement constitutes the entire
understanding and agreement between the parties with respect to the subject
matter hereof and shall supersede all prior

<PAGE>

understandings and agreements. This Agreement cannot be amended, modified, or
supplemented in any respect, except by a subsequent written agreement entered
into by the parties hereto. The services to be performed by Employee are special
and unique; it is agreed that any breach of this Agreement by Employee shall
entitle Employer (or any successor or assigns of Employer), in addition to any
other legal remedies available to it, to apply to any court of competent
jurisdiction to enjoin such breach. The provisions of paragraphs 6 and 8 hereof
shall survive the termination of this Agreement.

            17. Counterparts. This Agreement may be executed in counterparts
(each of which need not be executed by each of the parties), which together
shall constitute one and the same instrument.

            18. Jurisdiction and Venue. The jurisdiction of any proceeding
between the parties arising out of, or with respect to, this Agreement shall be
in a court of competent jurisdiction in New York State, and venue shall be in
Onondaga County. Each party shall be subject to the personal jurisdiction of the
courts of New York State.

            The foregoing is established by the following signatures of the
parties.

                                        COMMUNITY BANK SYSTEM, INC.

                                        By:  /s/ Sanford A. Belden
                                            ----------------------------

                                        Its: President / CEO
                                            ----------------------------

                                        COMMUNITY BANK, N.A.

                                        By:  /s/ Sanford A. Belden
                                            ----------------------------

                                        Its: President / CEO
                                            ----------------------------

                                          /s/ Mark E. Tryniski
                                        --------------------------------
                                                 MARK E. TRYNISKI

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