Document:

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                                                                   Exhibit 10.22

                     CHANGE OF CONTROL SEVERANCE AGREEMENT

          This Change of Control Severance Agreement ("Agreement") dated
December 6, 2000, is entered into by and among BSB Bancorp, Inc., a Delaware
corporation ("Corporation"), BSB Bank & Trust Company, a New York chartered bank
and trust company ("Employer") and William M. Le Beau ("Executive").

                                  WITNESSETH:

          Whereas, Corporation and Employer desire to provide certain security
to Executive in connection with Executive's employment with Employer;

          Whereas, Executive, Corporation and Employer desire to enter into this
Agreement pertaining to the terms of the security Corporation and Employer are
providing to Executive with respect to his employment;

          Whereas, the Boards of Directors of Corporation and Employer (the
"Boards") have approved and authorized the execution and delivery of this
Agreement by and on behalf of Corporation and Employer;

          Now, therefore, in consideration of the mutual covenants and promises
contained herein, and other good and valuable consideration, the receipt of
which is hereby acknowledged, the parties agree to this Agreement as follows:

          1.   Term.  The initial term of this Agreement extends for a period of
               ----
three years from December 6, 2000, provided that the term of the Agreement shall
be extended automatically for one additional year on each annual anniversary
date of this Agreement, unless either the Boards or Executive provide(s)
contrary written notice to the other not less than 180 days in advance of any
such anniversary date.  In the event either the Boards or Executive provide such
written notice, then the term hereof shall not be extended, but the then current
term shall continue for the period remaining thereunder.  Notwithstanding the
foregoing, this Agreement shall automatically expire and terminate on
Executive's normal retirement date at age 65 or on Executive's early retirement
under the Special Service Retirement provision of Employer's pension plan if
Executive elects to take such early retirement.  The initial term of employment
and all such renewed terms of employment under this Agreement are collectively
referred to herein as the "term of this Agreement."

          2.   Benefits Upon Termination of Employment.
               ---------------------------------------

               (a) If, before a Change in Control, at the request or direction
of the acquiring party, or at any time during the 12-month period following a
Change in Control (1) the employment of Executive with Employer is terminated by
Employer for any reason other than Good Cause, or (2) Executive terminates his
employment with Employer for Good Reason, Employer shall, during the Severance
Period, continue to pay Executive an amount equal to Executive's Base Salary.

               Such amount will be paid during the Severance Period in monthly
or other installments, similar to those being received by Executive at the date
of the Change in Control, and will commence as soon as practicable following the
date of termination of employment. Executive shall receive any and all vested
benefits accrued under any Incentive Plans and Retirement Plans to the date of
termination of employment, the amount, form and time of payment of such benefits
to be determined by the terms of such Incentive Plans and Retirement Plans and
such benefits shall not be reduced by amounts payable under this Agreement.
<PAGE>

               (b) If upon the date of termination of Executive's employment,
Executive holds any options with respect to stock of Corporation, all such
options will immediately become exercisable upon such date and will be
exercisable for not less than 90 days thereafter. To the extent such
acceleration of vesting or exercisability of such options is not permissible
under the terms of any plan pursuant to which the options were granted, Employer
will pay to Executive, in a lump sum, within 90 days after termination of
employment, an amount equal to the excess, if any, of the aggregate fair market
value of all stock of Corporation subject to such options, determined on the
date of termination of employment, over the aggregate option price of such
stock, and Executive will surrender all such options unexercised. For the
purposes of this Agreement, in the event that such stock is listed on an
established national or regional stock exchange, is admitted to quotation on the
National Association of Securities Dealers Automated Quotation System, or is
publicly traded in an established securities market, in determining the fair
market value of the stock, Employer shall use the average of the closing prices
of such stock on such exchange or System or in such market (the highest such
closing price if there is more than one such exchange or market) on the five
trading dates immediately before the date of termination (or, if there is no
such closing price, then the Board shall use the mean between the highest bid
and lowest asked prices or between the high and low prices on such date), or, if
no sale of the Stock has been made on one or more of such dates, on the next
preceding day on which any such sale shall have been made.

               (c) During the Severance Period, Executive and his spouse will
continue to be covered by all Welfare Plans, maintained by Employer in which he
or his spouse were participating immediately prior to the date of his
termination as if he continued to be an employee of Employer; provided that, if
participation in any one or more of such Welfare Plans is not possible under the
terms thereof, Employer will provide substantially identical benefits. If,
however, Executive obtains employment with another employer during the Severance
Period, such coverage shall be provided only to the extent that the coverage
exceeds the coverage of any substantially similar plans provided by his new
employer.

               (d) Notwithstanding any other provision of this Agreement to the
contrary, Executive shall not be entitled to any payment or benefit under this
Agreement (including, without limitation, pursuant to the provisions of Section
2(b) hereof), that, in the reasonable opinion of the independent certified
public accountants of Corporation and Employer, would prevent any transaction
entered into or to be entered into by Corporation or Employer from qualifying as
a "pooling of interests" for accounting purposes.

          3.  No Setoff.   No payment or benefits payable to or with respect to
              ---------
Executive pursuant to this Agreement shall be reduced by any amount Executive or
his spouse may earn or receive from employment with another employer or from any
other source, except as expressly provided in subsection 2(c) of this Agreement.

          4.  Death.  If Executive dies during the Severance Period:
              -----

              (a) All amounts payable hereunder to Executive shall, during the
remainder of the Severance Period, be paid to his surviving spouse.

              (b) The spouse of Executive shall, during the remainder of the
Severance Period, be covered under all Welfare Plans made available by Employer
to Executive or his spouse immediately prior to the date of his death; provided
that, if participation in any one or more of such plans and arrangements is not
possible under the terms thereof, Employer will provide substantially identical
benefits.

              Any benefits payable under this Section 4 are in addition to any
other benefit due to Executive or his spouse or beneficiaries from Employer,
including, but not limited to, payments under any of the Incentive or Retirement
Plans.
<PAGE>

          5.  Termination for Good Cause or Without Good Reason. If the
              -------------------------------------------------
employment of Executive with Employer is terminated (a) for any reason prior to
a Change in Control other than at the request or direction of an acquiror in
connection with a Change in Control, or (b) after a Change in Control by
Employer for Good Cause, or by the voluntary action of Executive without Good
Reason, Executive's Base Salary (at the rate in effect on the date of
termination) shall be paid through the date of termination, and Employer shall
have no further obligation to Executive or his spouse under this Agreement,
except for benefits accrued under Incentive Plans pursuant to subsection 2(a)
above.

          6.  Section 280G Gross-Up Payment.
              -----------------------------

              (a) Anything in this Agreement to the contrary notwithstanding and
except as set forth below in this Section 6(a), in the event it shall be
determined that any payment or distribution by Employer, or any other member of
the affiliated group (as determined for purposes of Sections 280G and 4999 of
the Internal Revenue Code of 1986, as amended (the "Code") of which Employer or
Corporation is a member, to or for the benefit of Executive (whether paid or
payable or distributed or distributable pursuant to the terms of this Agreement
or otherwise, but determined without regard to any additional payments required
under this Section 6) (a "Payment") would be subject to the excise tax imposed
by Section 4999 of the Code or any interest or penalties are incurred by
Executive with respect to such excise tax (such excise tax, together with any
such interest and penalties, are hereinafter collectively referred to as the
"Excise Tax"), then Executive shall be entitled to receive an additional payment
(a "Gross-Up Payment") in an amount such that after payment by Executive of all
taxes (including any interest or penalties imposed with respect to such taxes),
including, without limitation, any income taxes (and any interest and penalties
imposed with respect thereto) and Excise Tax imposed upon the Gross-Up Payment,
Executive retains an amount of the Gross-Up Payment equal to the Excise Tax
imposed upon the Payments. Notwithstanding the foregoing provisions of this
Section 6(a), if it shall be determined that Executive is entitled to a Gross-Up
Payment, but that Executive, after taking into account the Payments and the
Gross-Up Payment, would not receive a net after-tax benefit of at least $10,000
(taking into account both income taxes and any Excise Tax) as compared to the
net after-tax proceeds to Executive resulting from an elimination of the Gross-
Up Payment and a reduction of the Payments, in the aggregate, to an amount (the
"Reduced Amount") such that the receipt of Payments would not give rise to any
Excise Tax, then no Gross-Up Payment shall be made to Executive and the
Payments, in the aggregate, shall be reduced to the Reduced Amount.

              (b) Subject to the provisions of Section 6(c), all determinations
required to be made under this Section 6, including whether and when a Gross-Up
Payment is required and the amount of such Gross-Up Payment and the assumptions
to be utilized in arriving at such determination, shall be made by
PriceWaterhouseCoopers LLP or such other certified public accounting firm
reasonably acceptable to Employer as may be designated in writing by Executive
(the "Accounting Firm") which shall provide detailed supporting calculations
both to Employer and the Executive within 15 business days of the receipt of
notice from Executive that there has been a Payment, or such earlier time as is
requested by Employer. In the event that the Accounting Firm is serving as
accountant or auditor for the individual, entity or group effecting the Change
of Control, Executive shall appoint another nationally recognized accounting
firm reasonably acceptable to Employer to make the determinations required
hereunder (which accounting firm shall then be referred to as the Accounting
Firm hereunder). All fees and expenses of the Accounting Firm shall be borne
solely by Employer. Any Gross-Up Payment, as determined pursuant to this Section
6, shall be paid by Employer to Executive within five business days of the
receipt of the Accounting Firm's determination. Any determination by the
Accounting Firm shall be binding upon Employer and Executive. As a result of the
uncertainty in the application of Section 4999 of the Code at the time of the
initial determination by the Accounting Firm hereunder, it is possible that the
initial Gross-Up Payments made by Employer will be inadequate and that
additional Gross-Up Payments by Employer should have been made ("Underpayment"),
consistent with the calculations required to be made hereunder. In the event
that Employer exhaust its remedies pursuant to Section 6(c) and Executive
thereafter are required to make a payment of any Excise Tax, the Accounting Firm
shall determine the amount of the Underpayment that has occurred and any such
Underpayment shall be promptly paid by Employer to or for the benefit of
Executive.
<PAGE>

              (c) Executive shall notify Employer in writing of any claim by the
Internal Revenue Service that, if successful, would require the payment by
Employer of a Gross-Up Payment. Such notification shall be given as soon as
practicable but no later than 10 business days after Executive receives written
notice of such claim and shall apprise Employer of the nature of such claim and
the date on which such claim is requested to be paid. Executive shall not pay
such claim prior to the expiration of 30 days following the date on which
Executive gives such notice to Employer (or such shorter period ending on the
date that any payment of taxes with respect to such claim is due). If Employer
notifies Executive in writing prior to the expiration of such period that they
desire to contest such claim, Executive shall:

                  (i)    give Employer any information reasonably requested by
Employer relating to such claim,

                  (ii)   take such action in connection with contesting such
claim as Employer shall reasonably request in writing from time to time,
including, without limitation, accepting legal representation with respect to
such claim by an attorney selected by Employer and reasonably acceptable to
Executive,

                  (iii)  cooperate with Employer in good faith in order
effectively to contest such claim, and

                  (iv)   permit Employer to participate in any proceedings
relating to such claim; provided, however, that Employer shall bear and pay
directly all costs and expenses (including additional interest and penalties)
incurred in connection with such contest and shall indemnify and hold Executive
harmless, on an after-tax basis, for any Excise Tax or income tax (including
interest and penalties with respect thereto) imposed as a result of such
representation and payment of costs and expenses.

              Without limitation on the foregoing provisions of this Section
6(c), Employer shall control all proceedings taken in connection with such
contest and, at their sole option, may pursue or forgo any and all
administrative appeals, proceedings, hearings and conferences with the taxing
authority in respect of such claim and may, at their sole option, either direct
Executive to pay the tax claimed and sue for a refund or contest the claim in
any permissible manner, and Executive agrees to prosecute such contest to a
determination before any administrative tribunal, in a court of initial
jurisdiction and in one or more appellate courts, as Employer shall determine;
provided, however, that if Employer directs Executive to pay such claim and sue
for a refund, Employer shall advance the amount of such payment to Executive, on
an interest-free basis and shall indemnify and hold Executive harmless, on an
after-tax basis, from any Excise Tax or income tax (including interest or
penalties with respect thereto) imposed with respect to such advance or with
respect to any imputed income with respect to such advance; and further provided
that any extension of the statute of limitations relating to payment of taxes
for the taxable year of Executive with respect to which such contested amount is
claimed to be due is limited solely to such contested amount. Furthermore,
Employer's control of the contest shall be limited to issues with respect to
which a Gross-Up Payment would be payable hereunder and Executive shall be
entitled to settle or contest, as the case may be, any other issue raised by the
Internal Revenue Service or any other taxing authority.

              (d) If, after the receipt by Executive of an amount advanced by
Employer pursuant to Section 6(c), Executive becomes entitled to receive any
refund with respect to such claim, Executive shall (subject to Employer's
continued compliance with the requirements of this Section 6) promptly pay to
Employer the amount of such refund (together with any interest paid or credited
thereon after taxes applicable thereto). If, after the receipt by Executive of
an amount advanced by Employer pursuant to Section 6(c), a determination is made
that Executive shall not be entitled to any refund with respect to such claim
and Employer does not notify Executive in writing of their intent to contest
such denial of refund prior to the expiration of 30 days after such
determination (or if any such contest shall be finally determined in a manner
adverse to such refund being allowed), then such advance shall be forgiven and
shall not be required to be repaid and the amount of such advance shall offset,
to the extent thereof, the amount of the Gross-Up Payment required to be paid.

          7.  Definitions.  For purposes of this Agreement:
              -----------
<PAGE>

              (a) "Base Salary" shall mean the higher of Executive's annual base
salary at the rate in effect on the date of a Change in Control or the rate in
effect on the date of termination of employment.

              (b) "Change in Control" shall be deemed to have occurred if there
has been a change of control of a nature that would be required to be reported
in response to Item 6(e) of Schedule 14A of Regulation 14A promulgated under the
Securities Exchange Act of 1934, as amended ("Exchange Act"), or such item
thereof which may hereafter pertain to the same subject; provided that, and
notwithstanding the foregoing, a Change in Control shall be deemed to have
occurred if (i) any "person" (as that term is used in Sections 13(d) and
14(d)(2) of the Exchange Act) is or becomes the beneficial owner, directly or
indirectly, of securities of Corporation or Employer representing 25% or more of
the combined voting power of Corporation's then outstanding securities, (ii)
during any period of two consecutive years, individuals who at the beginning of
such period constituted the Boards of Directors of Corporation and Employer
cease for any reason to constitute at least a majority thereof unless the
election of each Director, who was not a Director at the beginning of the
period, was approved by a vote of at least two-thirds of the Directors then
still in office who were Directors at the beginning of the period, (iii)
Corporation shall cease to be a publicly owned corporation, or (iv) any merger
or consolidation of Corporation with or into another entity shall occur as a
result of which the stockholders of Corporation do not retain or acquire 75% or
more of the capital stock of the resulting entity.

              (c) "Good Cause" shall be deemed to exist if, and only if: (1)
Executive engages in acts or omissions constituting dishonesty, intentional
breach of fiduciary obligation or intentional wrongdoing or malfeasance; (2)
Executive is convicted of a criminal violation involving fraud or dishonesty; or
(3) Executive materially breaches the Agreement (other than by engaging in acts
or omissions enumerated in paragraphs (1) and (2) above), or materially fails to
satisfy the conditions and requirements of his employment with Employer, and
such breach or failure by its nature is incapable of being cured, or such breach
or failure remains uncured for more than 30 days following receipt by Executive
of written notice from Employer specifying the nature of the breach of this
paragraph (3), inattention by Executive to his duties shall be deemed a breach
or failure capable of cure.

          Without limiting the generality of the foregoing, the following shall
not constitute Good Cause:  any personal or policy disagreement between
Executive and Employer or any member of the Board of Directors of Employer; or
any action taken by Executive in connection with his duties if Executive acted
in good faith and in a manner he reasonably believed to be in, and not opposed
to, the best interest of Employer and had no reasonable cause to believe his
conduct was unlawful.

          Notwithstanding anything herein to the contrary, in the event Employer
shall terminate the employment of Executive for Good Cause hereunder, Employer
shall give at least 30 days prior written notice to Executive specifying in
detail the reason or reasons for Executive's termination.

              (d)  "Good Reason" shall exist if:

                     (1) there is a significant change in the nature or the
scope of Executive's authority;

                     (2) there is a reduction in Executive's base salary from
the rate in effect during the fiscal year before the Change in Control;

                     (3) Employer changes the principal location in which
Executive is required to perform services to one which is more than 50 miles
from his current location;

                     (4) there is a reasonable determination by Executive that,
as a result of a change in circumstances significantly affecting his position,
he is unable to exercise the authority, powers, function or duties attached to
his position;

              (e) "Incentive Plans" shall mean any incentive, bonus deferred
compensation or similar plan or arrangement currently or hereafter made
available by Corporation or Employer in which Executive is eligible to
participate.
<PAGE>

              (f) "Retirement Plans" shall mean any qualified or supplemental
defined benefit retirement plan or defined contribution retirement plan,
currently or hereinafter made available by Corporation or Employer in which
Executive is eligible to participate.

              (g) "Severance Period" shall mean the period beginning on the date
Executive's employment with Employer terminates under circumstances described in
Section 2 above and ending on the first to occur of: (1) the date 36 months
thereafter, or (2) the date Executive attains or would have attained age 65.

              (h) "Welfare Plan" shall mean any health and dental plan,
disability plan, survivor income plan and life insurance plan or arrangement
currently or hereafter made available by Employer in which Executive is eligible
to participate.

          8.  Benefits Unfunded.  All rights of Executive and his spouse or
              -----------------
other beneficiary under this Agreement shall at all times be entirely unfunded
and no provision shall at any time be made with respect to segregating any
assets of Corporation or Employer for payment of any amounts due hereunder.
Neither Executive nor his spouse or other beneficiary shall have any interest in
or rights against any specific assets of Corporation or Employer, and Executive
and his spouse or other beneficiary shall have only the rights of a general
unsecured creditor of Employer.

          9.  Litigation Expense.  Employer shall pay Executive's out of-pocket
              ------------------
expenses, including attorney's fees, in connection with any judicial proceeding
to enforce this Agreement or to construe or determine the validity of this
Agreement or otherwise in connection herewith if Executive is successful in such
litigation.

          10.  Applicable Law.  This Agreement shall be construed and
               --------------
interpreted pursuant to the laws of the State of New York.

          11.  Entire Agreement.  This Agreement contains the entire Agreement
               ----------------
between Employer and Executive and supersedes any and all previous agreements,
written or oral, among the parties relating to his or her employment by
Employer.  No amendment or modification of the terms of this Agreement shall be
binding upon the parties hereto unless reduced to writing and signed by Employer
and Executive.  This Agreement is the exclusive agreement between Corporation,
Employer and Executive regarding payments to Executive in the event of a change
in control of Corporation or Employer.  During the term of this Agreement,
Executive shall not participate in or benefit from any other change of control
severance plan or policy which may be adopted by Corporation or Employer,
provided that thereafter Executive shall participate in such plan or policy if
one has been established by Corporation or Employer.

          12.  No Employment Contract.  Nothing contained in this Agreement
               ----------------------
shall be construed to be an employment contract between Executive and Employer.
Executive is employed at will and Employer may terminate his employment at any
time, with or without cause.

          13.  Counterparts.  This Agreement may be executed in counterparts,
               ------------
each of which shall be deemed an original.

          14.  Severability.  In the event any provision of this Agreement is
               ------------
held illegal or invalid, the remaining provisions of this Agreement shall not be
affected thereby.

          15.  Successors.  This Agreement shall be binding upon and inure to
               ----------
the benefit of the parties hereto and their respective heirs, representatives
and successors.

          16.  Notice.  Notices required under this Agreement shall be in
               ------
writing and sent by registered mail, return receipt requested, to the following
addresses or to such other address as the party being notified may have
previously furnished to the others by written notice.
<PAGE>

               If to Employer or Corporation:

               Attention:   Howard W. Sharp

         3.    BSB Bancorp, Inc.

         4.    BSB Bank & Trust Company
               58-68 Exchange Street
               Binghamton, New York  13902

               If to Executive:

               William M. Le Beau
               5005 Derringer Drive
               Jamesville, New York  13078

          In Witness Whereof, Executive has hereunto set his hand, and
Corporation and Employer have caused this agreement to be executed in their
names and on their behalf, all as of the day and year first above written.

                                      BSB BANCORP, INC.

ATTEST: /s/ Larry G. Denniston        By: /s/ Howard W. Sharp
        --------------------------        --------------------------
            Larry G. Denniston                Howard W. Sharp
            (Secretary)                       President and Chief
                                              Executive Officer

                                      BSB BANK & TRUST COMPANY

ATTEST: /s/ Larry G. Denniston        By: /s/ Howard W. Sharp
        --------------------------        --------------------------
            Larry G. Denniston                Howard W. Sharp
            Secretary                         President and Chief
                                              Executive Officer

                                      /s/ William M. Le Beau
                                      ------------------------------
                                          William M. Le Beau
                                          Senior Vice President -
                                          Risk Management<PAGE>

                                                                   Exhibit 10.23

                              EMPLOYMENT AGREEMENT

     AGREEMENT, made as of the 28th day of December, 2000, is entered into by
and among BSB Bancorp, Inc., a Delaware corporation (the "Corporation"), BSB
Bank & Trust Company, a New York chartered bank and trust company (the
"Employer") and Larry G. Denniston (the "Executive").

     WHEREAS, the Corporation, the Employer and the Executive desire to enter
into this Agreement to provide for the continued employment of the Executive as
the Senior Vice President and Corporate Secretary of the Employer;

     WHEREAS, the parties have previously entered into an Amended and Restated
Change of Control Severance Agreement dated as of June 28, 1999 (the "Severance
Agreement") which they desire to replace and supercede by entering into this
Agreement; and

     WHEREAS, the parties desire to enter into this Agreement, setting forth the
terms and conditions for the employment relationship of the Executive with the
Employer:

     NOW, THEREFORE, it is AGREED as follows:

     1.  Employment.  The Executive shall be employed as the Senior Vice
         ----------
President and Corporate Secretary of the Employer and shall serve in such
capacity during the Employment Term (as defined in Section 5 below).  As the
Senior Vice President and Corporate Secretary of the Employer, the Executive
shall render executive, policy and other management services to the Employer of
the type customarily performed by persons serving in a similar officer capacity
and shall report to the Chief Executive Officer of the Employer, except as such
Chief Executive Officer reasonably shall otherwise determine.  The Executive
shall also perform such duties as the Chief Executive Officer of the Employer or
the Board of Directors of the Employer (the "Board") may from time to time
reasonably direct.

     2.         Compensation.
                ------------

          (a) The Employer agrees to pay the Executive during the Employment
Term (defined below) a salary at an annual rate not less than $116,000.  The
Executive's salary shall be increased in the sole and absolute discretion of the
Board or committees thereof duly authorized by the Board to so act.

          (b) The salary of the Executive shall not be decreased at any time
during the Employment Term from the amount then in effect, unless the Executive
otherwise agrees in writing.  Participation in deferred compensation,
discretionary bonus, retirement and other employee benefit plans and in fringe
benefits, other than salary reduction programs in which the Executive elects to
participate, shall not reduce the salary payable to the Executive under this
Section 2.  The salary under this Section 2 shall be payable to the Executive
not less frequently than monthly.

     3.  Business Expenses.  To the extent that the Employer authorizes the
         -----------------
Executive to incur business expenses, including the reasonable costs of
authorized business entertainment and travel, in connection with the performance
of his duties hereunder, the Employer shall reimburse the Executive for such
authorized expenses promptly upon periodic presentation by the Executive of an
itemized account of such expenses and reasonable substantiation, in accordance
with the Employer's policies concerning reimbursement of business expenses.

     4.  Participation in Retirement and Employee Benefit Plans; Fringe
         --------------------------------------------------------------
Benefits.  During the Employment Term, the Executive shall be eligible to
participate in all incentive, bonus, management recognition, equity
compensation, retirement, deferred compensation, fringe benefit or welfare
benefit plans of the Company or the Employer that are applicable to executive
employees of the Employer generally, including plans providing for
<PAGE>

stock options, restricted stock, employee stock purchases, pension or retirement
income, retirement savings, employee stock ownership, deferred compensation and
medical, prescription drug, dental, disability, employee life, group life,
accidental death and travel accident insurance that the Company or the Employer
may adopt or maintain for the benefit of executive employees of the Employer
during the Employment Term, in accordance with the terms of such plans.

     5.  Term.  The term of employment under this Agreement shall commence on
         ----
the date of this Agreement and shall end on December 28th, 2002, provided that
the term of the Agreement shall be extended automatically for one additional
year on each annual anniversary date of this Agreement, unless either the Boards
or Executive provide(s) contrary written notice to the other not less than 180
days in advance of any such anniversary date.  In the event either the Boards or
Executive provide such written notice, then the term hereof shall not be
extended, but the then current term shall continue for the period remaining
thereunder.  The initial term of employment and all such renewed terms of
employment under this Agreement are collectively referred to herein as the
"Employment Term".

     6.  Standards.  The Executive shall perform his duties and responsibilities
         ---------
under this Agreement in accordance with such reasonable standards as may be
established from time to time by the Board and communicated in writing to the
Executive.  The reasonableness of such standards shall be measured against
standards for executive performance generally prevailing in the financial
institutions industry.

     7.  Voluntary Absences; Vacations.  The Executive shall be entitled,
         -----------------------------
without loss of pay, to absent himself voluntarily for reasonable periods of
time from the performance of his duties and responsibilities under this
Agreement.  All such voluntary absences shall count as paid vacation time,
unless the Board otherwise approves.  The Executive shall be entitled to paid
vacation days totaling 20 business days per year.  The timing of paid vacations
shall be scheduled in a reasonable manner by the Executive.

     8. Termination of Employment.
        -------------------------

          (a)   (i)    Subject to the other provisions of this Agreement, the
Employer may terminate the Executive's employment at any time.

                (ii)   The Executive shall have no right to receive compensation
or other benefits for any period after he voluntarily terminates of his
employment without "Good Reason" (as defined below) or the Employer
involuntarily terminates his employment for Cause. "Cause" shall mean the
Executive's personal dishonesty, willful misconduct, breach of fiduciary duty
involving personal profit, willful failure to perform stated duties, willful
violation of any law, rule, or regulation (other than traffic violations or
similar offenses) or final cease-and-desist order of the Federal Deposit
Insurance Corporation ("FDIC") or a material breach of any provisions of this
Agreement. For purposes of this paragraph, no act, or failure to act, on the
Executive's part shall be considered "willful" unless done, or omitted to be
done, by him not in good faith and without reasonable belief that his action or
omission was in the best interest of the Employer; provided that any act or
omission to act on the Executive's behalf in reliance upon an opinion of counsel
satisfactory to the Employer shall not be deemed to be willful.

                (iii)  The parties acknowledge and agree that damages that will
result to the Executive from involuntary termination without Cause shall be
extremely difficult or impossible to establish or prove, and agree that, subject
to Section 11 of this Agreement, unless such involuntary termination is for
Cause, the Employer shall be obligated, following such termination, to continue
to pay to the Executive compensation in accordance with Section 2 hereof until
the earlier of (A) the date that is 24 months after such termination or (B) the
date on which the Executive attains or would have attained age 65. The amounts
payable hereunder shall not be reduced by the Executive's earnings from other
employment or self-employment after termination of his employment with the
Employer. The Executive agrees that, except for such other payments and benefits
to which the Executive may be entitled as expressly provided by the terms of
this Agreement, the payments provided for under this Section 8(a)(iii) shall
constitute liquidated damages and shall be in complete satisfaction of the
Employer's obligations under this Agreement.
<PAGE>

                (iv)   In addition to the liquidated damages above described
that are payable to the Executive, subject to Section 11 of this Agreement, in
the event of any such termination without Cause, during the period in which
payments are required to be made under Section 8(a)(iii) above, or such longer
period as may be provided by the terms of the appropriate plan, the Employer
shall continue in effect all medical, prescription drug, dental, disability,
employee life, group life and accidental death insurance and other employee
welfare plans for the benefit of the Executive and, if applicable, the
Executive's family, which would have been provided to them in accordance with
Section 4 of this Agreement if the Executive's employment had not been
terminated; provided, however, that if the Executive is eligible to receive
medical, prescription drug or dental benefits under an employee benefits plan
sponsored by a subsequent employer, the medical prescription drug and dental
benefits described herein shall be secondary to those provided under such other
plan during such applicable period of eligibility.

                (v)    If the Executive voluntarily terminates his employment
with the Employer during the Employment Term for "Good Reason," such termination
shall be deemed to have been an involuntary termination by the Employer of the
Executive's employment without Cause. "Good Reason" shall mean:

                       (1) the assignment to the Executive by the Employer of
duties materially inconsistent with the Executive's position, duties,
responsibilities, and status as Senior Vice President and Corporate Secretary of
the Employer, a material adverse change in the Executive's titles or offices,
any removal of the Executive from or any failure to reelect the Executive to any
of such officer positions, except in connection with the termination of his
employment for Cause, or any action that would have a material adverse effect on
the physical conditions in which or location at which the Executive performs his
employment duties;

                       (2) a reduction by the Employer in the Executive's salary
under Section 2(a) without the Executive's consent; or

                       (3) any other action or inaction that constitutes a
material breach by the Employer of this Agreement.

                (vi)   If Executive dies while he is receiving payments under
Section 8(a)(iii):

                       (1) All amounts payable hereunder to the Executive shall,
during the remainder of the period specified in Section 8(a)(iii), be paid to
his surviving spouse.

                       (2) The surviving spouse of the Executive shall, during
the remainder of such period, be covered under all medical, prescription drug,
dental, disability, employee life, group life and accidental death insurance and
other employee welfare plans made available by the Employer to the Executive or
his spouse immediately before his death; provided that, if participation in any
one or more of such plans and arrangements is not possible under the terms
thereof, the Employer will provide the surviving spouse with substantially
identical benefits.

          (b) The Executive shall have no right to terminate his employment
under this Agreement before the end of the Employment Term, unless (i) such
termination is approved by the Board or (ii) such termination is with "Good
Reason" as defined above.  In the event that the Executive violates this
provision, the Employer shall be entitled, in addition to its other legal
remedies, to enjoin the employment of the Executive with any significant
competitor of the Employer for a period of one year or the then remaining
Employment Term plus six months, whichever is less.  The term "significant
competitor" shall mean any commercial bank, savings bank, savings and loan
association, mortgage banking company or a holding company affiliate of any of
the foregoing which, at the date of its employment of the Executive, has an
office out of which the Executive would be primarily based that is located
within 75 miles of the Employer's office located at 58-68 Exchange Street,
Binghamton, New York.  If any court or other tribunal having jurisdiction to
determine the validity or enforceability of this paragraph determines that,
strictly applied, it would be invalid or unenforceable, the definition of
"significant competitor" and the time provisions used shall be deemed modified
to the extent necessary (but only to that extent) so that the restrictions in
that subsection, as modified, will be valid and enforceable.
<PAGE>

          (c) In the event the employment of the Executive is terminated by the
Employer without Cause under Section 8(a) hereof and the Employer fails to make
timely payment of the amounts then owed to the Executive under this Agreement,
the Executive shall be entitled to reimbursement for all reasonable costs,
including attorneys' fees, incurred by the Executive in taking action to collect
such amounts or otherwise to enforce this Agreement, plus interest on such
amounts at the rate of one percent above the prime rate (defined as the base
rate on corporate loans at large U.S. money center commercial banks as published
by The Wall Street Journal), compounded monthly, for the period from the date of
employment termination until payment is made to the Executive.  Such
reimbursement and interest shall be in addition to all rights which the
Executive is otherwise entitled to under this Agreement.

          (d) In the event of the Executive's death during the Employment Term,
his estate shall be entitled to receive any unpaid salary or other compensation
owing to the Executive.  This Agreement shall thereupon terminate, except that
any vested rights of the Executive shall then be exercised by his estate.

          (e) In the event the Executive becomes disabled during the Employment
Term under circumstances that would entitle him to benefits under the Employer's
long-term disability plan and, as a result of such disability, he is unable to
perform his duties hereunder for an uninterrupted period of more than six
months, the Employer may terminate the Executive's employment without liability
under Section 8(a) hereof and this Agreement shall thereupon terminate.  Any
such termination shall not affect the Executive's rights to benefits pursuant to
any applicable long-term disability plan of the Employer.

          (f) Notwithstanding any other provision in this Agreement, (i) the
Employer may terminate or suspend this Agreement and the employment of the
Executive hereunder, as if such termination were for Cause under Section 8(a)
hereof, to the extent required by the applicable laws of the State of New York
related to banking, by applicable federal law relating to deposit insurance or
bank holding companies or by regulations or orders issued by the New York State
Banking Department, the Board of Governors of the Federal Reserve System, the
Federal Deposit Insurance Corporation or other state or federal banking
regulatory agency having jurisdiction over the Corporation or the Employer and
(ii) no payment shall be required to be made to or for the benefit of the
Executive under this Agreement to the extent such payment is prohibited by
applicable law, regulation or order issued by a banking agency or a court of
competent jurisdiction; provided, that it shall be the Employer's burden to
prove that any such action was so required.

     10.  Confidential Information.
          ------------------------

          (a) The Executive acknowledges that the information, observations and
data obtained by the Executive concerning the business and affairs of the
Employer during the course of the Executive's employment are the property of the
Employer, including information concerning acquisition opportunities in or
reasonably related to the business or industry of the Employer of which the
Executive becomes aware during such period.  Therefore, the Executive agrees
that he will not at any time (whether during or after the Employment Term)
disclose to any unauthorized person or, directly or indirectly, use for the
Executive's own account, any of such information, observations or data without
the consent of the Board, unless and to the extent that the aforementioned
matters become generally known to and available for use by the public other than
as a direct or indirect result of the Executive's unauthorized acts or omissions
to act or the unauthorized acts or omissions to act of other employees of the
Employer.  The Executive agrees to deliver to the Employer at the termination of
the Executive's employment, or at any other time the Employer may request in
writing (whether during or after the Employment Term), all memoranda, notes,
plans, records, reports and other documents, regardless of the format or media
(and copies thereof), relating to the business of the Employer and its
predecessors (including, without limitation, all acquisition prospects, lists
and contact information) which the Executive may then possess or have under the
Executive's control.

          (b) The Executive acknowledges that the restrictions contained in this
Section 10 hereof are reasonable and necessary, in view of the nature of the
Employer's business, in order to protect the legitimate interests of the
Employer, and that any violation thereof would result in irreparable injury to
the Employer.  Therefore, the Executive agrees that in the event of a breach or
threatened breach by the Executive of the provisions
<PAGE>

of Section 10(a) hereof, the Employer shall be entitled to obtain from any court
of competent jurisdiction, preliminary or permanent injunctive relief
restraining the Executive from disclosing or using any such confidential
information. Nothing herein shall be construed as prohibiting the Employer from
pursuing any other remedies available to them for such breach or threatened
breach, including, without limitation, recovery of damages from the Executive.
<PAGE>

          11.  Section 280G Gross-Up Payment.
               -----------------------------

               (a) Anything in this Agreement to the contrary notwithstanding
and except as set forth below in this Section 11(a), in the event it shall be
determined that any payment or distribution by the Employer, or any other member
of the affiliated group (as determined for purposes of Sections 280G and 4999 of
the Internal Revenue Code of 1986, as amended (the "Code") of which the Employer
or the Corporation is a member, to or for the benefit of the Executive (whether
paid or payable or distributed or distributable pursuant to the terms of this
Agreement or otherwise, but determined without regard to any additional payments
required under this Section 11) (a "Payment") would be subject to the excise tax
imposed by Section 4999 of the Code or any interest or penalties are incurred by
the Executive with respect to such excise tax (such excise tax, together with
any such interest and penalties, are hereinafter collectively referred to as the
"Excise Tax"), then the Executive shall be entitled to receive an additional
payment (a "Gross-Up Payment") in an amount such that after payment by the
Executive of all taxes (including any interest or penalties imposed with respect
to such taxes), including, without limitation, any income taxes (and any
interest and penalties imposed with respect thereto) and Excise Tax imposed upon
the Gross-Up Payment, the Executive retains an amount of the Gross-Up Payment
equal to the Excise Tax imposed upon the Payments. Notwithstanding the foregoing
provisions of this Section 11(a), if it shall be determined that the Executive
is entitled to a Gross-Up Payment, but that the Executive, after taking into
account the Payments and the Gross-Up Payment, would not receive a net after-tax
benefit of at least $10,000 (taking into account both income taxes and any
Excise Tax) as compared to the net after-tax proceeds to the Executive resulting
from an elimination of the Gross-Up Payment and a reduction of the Payments, in
the aggregate, to an amount (the "Reduced Amount") such that the receipt of
Payments would not give rise to any Excise Tax, then no Gross-Up Payment shall
be made to the Executive and the Payments, in the aggregate, shall be reduced to
the Reduced Amount.

               (b) Subject to the provisions of Section 11(c), all
determinations required to be made under this Section 11, including whether and
when a Gross-Up Payment is required and the amount of such Gross-Up Payment and
the assumptions to be utilized in arriving at such determination, shall be made
by PriceWaterhouseCoopers LLP or such other certified public accounting firm
reasonably acceptable to the Employer as may be designated in writing by the
Executive (the "Accounting Firm") which shall provide detailed supporting
calculations both to the Employer and the Executive within 15 business days of
the receipt of notice from the Executive that there has been a Payment, or such
earlier time as is requested by the Employer. In the event that the Accounting
Firm is serving as accountant or auditor for the individual, entity or group
effecting the Change of Control, the Executive shall appoint another nationally
recognized accounting firm reasonably acceptable to the Employer to make the
determinations required hereunder (which accounting firm shall then be referred
to as the Accounting Firm hereunder). All fees and expenses of the Accounting
Firm shall be borne solely by the Employer. Any Gross-Up Payment, as determined
pursuant to this Section 11, shall be paid by the Employer to the Executive
within five business days of the receipt of the Accounting Firm's determination.
Any determination by the Accounting Firm shall be binding upon the Employer and
the Executive. As a result of the uncertainty in the application of Section 4999
of the Code at the time of the initial determination by the Accounting Firm
hereunder, it is possible that the initial Gross-Up Payments made by the
Employer will be inadequate and that additional Gross-Up Payments by the
Employer should have been made ("Underpayment"), consistent with the
calculations required to be made hereunder. In the event that the Employer
exhaust its remedies pursuant to Section 11(c) and the Executive thereafter are
required to make a payment of any Excise Tax, the Accounting Firm shall
determine the amount of the Underpayment that has occurred and any such
Underpayment shall be promptly paid by the Employer to or for the benefit of the
Executive.

               (c) The Executive shall notify the Employer in writing of any
claim by the Internal Revenue Service that, if successful, would require the
payment by the Employer of a Gross-Up Payment. Such notification shall be given
as soon as practicable but no later than 10 business days after the Executive
receives written notice of such claim and shall apprise the Employer of the
nature of such claim and the date on which such claim is requested to be paid.
The Executive shall not pay such claim prior to the expiration of 30 days
following the date on which the Executive gives such notice to the Employer (or
such shorter period ending on the date that any payment of taxes with respect to
such claim is due). If the Employer notifies the Executive in writing prior to
the expiration of such period that they desire to contest such claim, the
Executive shall:
<PAGE>

                (i)    give the Employer any information reasonably requested by
the Employer relating to such claim,

                (ii)   take such action in connection with contesting such claim
as the Employer shall reasonably request in writing from time to time,
including, without limitation, accepting legal representation with respect to
such claim by an attorney selected by the Employer and reasonably acceptable to
the Executive,

                (iii)  cooperate with the Employer in good faith in order
effectively to contest such claim, and

                (iv)   permit the Employer to participate in any proceedings
relating to such claim; provided, however, that the Employer shall bear and pay
directly all costs and expenses (including additional interest and penalties)
incurred in connection with such contest and shall indemnify and hold the
Executive harmless, on an after-tax basis, for any Excise Tax or income tax
(including interest and penalties with respect thereto) imposed as a result of
such representation and payment of costs and expenses.

          Without limitation on the foregoing provisions of this Section 11(c),
the Employer shall control all proceedings taken in connection with such contest
and, at its sole option, may pursue or forgo any and all administrative appeals,
proceedings, hearings and conferences with the taxing authority in respect of
such claim and may, at its sole option, either direct the Executive to pay the
tax claimed and sue for a refund or contest the claim in any permissible manner,
and the Executive agrees to prosecute such contest to a determination before any
administrative tribunal, in a court of initial jurisdiction and in one or more
appellate courts, as the Employer shall determine; provided, however, that if
the Employer directs the Executive to pay such claim and sue for a refund, the
Employer shall advance the amount of such payment to the Executive, on an
interest-free basis and shall indemnify and hold the Executive harmless, on an
after-tax basis, from any Excise Tax or income tax (including interest or
penalties with respect thereto) imposed with respect to such advance or with
respect to any imputed income with respect to such advance; and further provided
that any extension of the statute of limitations relating to payment of taxes
for the taxable year of the Executive with respect to which such contested
amount is claimed to be due is limited solely to such contested amount.
Furthermore, the Employer's control of the contest shall be limited to issues
with respect to which a Gross-Up Payment would be payable hereunder and the
Executive shall be entitled to settle or contest, as the case may be, any other
issue raised by the Internal Revenue Service or any other taxing authority.

          (d) If, after the receipt by the Executive of an amount advanced by
the Employer pursuant to Section 11(c), the Executive becomes entitled to
receive any refund with respect to such claim, the Executive shall (subject to
the Employer's continued compliance with the requirements of this Section 11)
promptly pay to the Employer the amount of such refund (together with any
interest paid or credited thereon after taxes applicable thereto).  If, after
the receipt by the Executive of an amount advanced by the Employer pursuant to
Section 11(c), a determination is made that the Executive shall not be entitled
to any refund with respect to such claim and the Employer does not notify the
Executive in writing of its intent to contest such denial of refund prior to the
expiration of 30 days after such determination (or if any such contest shall be
finally determined in a manner adverse to such refund being allowed), then such
advance shall be forgiven and shall not be required to be repaid and the amount
of such advance shall offset, to the extent thereof, the amount of the Gross-Up
Payment required to be paid.

     12.        Miscellaneous.
                -------------

                (a) No Assignment.  This Agreement is personal to each of the
                    -------------
parties hereto. No party may assign or delegate any of his or its rights or
obligations hereunder without first obtaining the written consent of the other
party hereto. However, in the event of the death of the Executive, all of his
rights to receive payments hereunder shall become rights of his estate as
provided in Section 8(d) hereof.

                (b) Other Contracts.  The Executive shall not, during the
                    ---------------
Employment Term, have any other paid employment other than with a subsidiary or
affiliate of the Employer, except with the prior written approval of the Board.
<PAGE>

                (c) Amendments or Additions; Action by Board.  No amendments or
                    ----------------------------------------
additions to this Agreement shall be binding unless in writing and signed by all
parties hereto.  The prior approval by a majority affirmative vote of the Board
shall be required in order for the Employer to authorize any amendments or
additions to this Agreement or to give any consents or waivers of provisions of
this Agreement, or to terminate the Executive's employment with or without Cause
under Section 8(a) hereof.

                (d) Section Headings.  The section headings used in this
                    ----------------
Agreement are included solely for convenience and shall not affect, or be used
in connection with, the interpretation of this Agreement.

                (e) Severability.  The provisions of this Agreement shall be
                    ------------
deemed severable and the invalidity or unenforceability of any provision shall
not affect the validity or enforceability of the other provisions hereof.

                (f) Governing Law.  This Agreement shall be governed by the
                    -------------
laws of the United States, where applicable, and otherwise by the laws of the
State of New York other than the choice of law rules thereof.

                (g) Notice.  For the purposes of this Agreement, notices and
                    ------
all other communications provided for in the Agreement shall be in writing and
shall be deemed to have been duly given when delivered or mailed by certified or
registered mail, return receipt requested, postage prepaid, addressed, if to the
Employer:

                         BSB BANK & TRUST COMPANY
                         58-68 Exchange Street
                         Binghamton, New York  13902
                         Attention:  Chief Executive Officer

or if to the Executive:  Larry G. Denniston
                         8 Devon Blvd.
                         Binghamton, New York   13903

or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notice of change of address shall be
effective only upon receipt.

                (h) Counterparts.  This Agreement may be executed in several
                    ------------
counterparts, for the convenience of the parties, but shall constitute one and
the same instrument.

                (i) Express Agreement of Successor Required.  The Employer and
                    ---------------------------------------
the Corporation will require any successor (whether direct or indirect, by
purchase, merger, consolidation or otherwise) to all or substantially all of the
business or assets of the Employer or the Corporation to expressly agree to
honor this Agreement without modification and to perform the respective
obligations of the Employer and the Corporation hereunder.

                (j) Entire Agreement; Severance Agreement Terminated. This
                    ------------------------------------------------
Agreement contains the entire agreement of the parties hereto relating to the
subject matter hereof and supersedes in its entirety any and all prior
agreements, contracts, understandings or representations relating to the
employment relationship created hereunder. The Executive hereby waives the
provisions of any prior employment agreement, contract or understanding relating
to the Executive's employment by the Employer or the Corporation, and
specifically the Severance Agreement is hereby superceded and terminated and
shall be of no further force or effect after the date of this Agreement.
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have duly executed this Agreement,
or caused this Agreement to be duly executed on their behalf, as of the date and
year first above written.

Attest:                               BSB BANK & TRUST COMPANY

/s/ Arthur C. Smith                   By  /s/ Howard W. Sharp
----------------------------              -------------------------
    Arthur C. Smith                           Howard W. Sharp
    Executive Vice President                  President and C.E.O.

Attest:                               BSB BANCORP, INC.

/s/ Arthur C. Smith                   By  /s/ Howard W. Sharp
----------------------------              -------------------------
    Arthur C. Smith                           Howard W. Sharp
    Executive Vice President                  President and C.E.O.

                                      By   /s/ Larry G. Denniston
                                           ------------------------
                                               Larry G. Denniston
                                               Executive

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