Document:

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                                 Exhibit 10.21

THIS NOTE HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED
(THE "ACT"), OR ANY STATE SECURITIES LAWS AND MAY NOT BE OFFERED, SOLD, PLEDGED,
      ---
ASSIGNED, OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE ACT AND ANY
APPLICABLE STATE SECURITIES LAWS.

                            URANIUM RESOURCES, INC.
                                   URI, INC.

                               Convertible Note

$135,000.00                                                        July 17, 2000

     Uranium Resources, Inc., a Delaware corporation, and URI, Inc., a Delaware
corporation (collectively, the "Company"), for value received, hereby promise to
pay to the NTC Liquidating Trust, with an address at c/o PricewaterhouseCoopers,
LLP, 1670 Broadway Street, Suite 1000, Denver, Colorado 80202, or its assigns
(the "Holder"), the principal amount of One Hundred Thirty Five Thousand and
no/100 Dollars ($135,000.00) together with accrued and unpaid interest thereon
on July 17, 2005 (the "Maturity Date"). The unpaid principal balance of this
Note shall bear interest at the rate of 6% per annum (calculated on the basis of
a 365-day year).

     In no event shall any interest to be paid hereunder exceed the maximum rate
permitted by law. In any such event, this Note shall automatically be deemed
amended to permit interest charges at an amount equal to, but no greater than,
the maximum rate permitted by law.

     This Note is issued pursuant to the Settlement Agreement Regarding Uranium
Resources, Inc. and URI, Inc., dated July 26, 1999, as amended, by and between
Uranium Resources Inc., URI, Inc., the Benton Liquidating Trust, the NTC
Liquidating Trust, the EFL Liquidating Trust, the EFEX Liquidating Trust and the
CSI Liquidating Trust (the "Settlement Agreement"). Capitalized terms used in
this Note which are not defined herein have the meaning assigned to them in the
Settlement Agreement.

     Section 1.     Definitions.
                    -----------

     As used in this Note, the following terms, unless the context otherwise
requires, have the following meaning:

     "Business Day" means any day which is not a Saturday or Sunday and is not a
      ------------
day on which banking institutions are generally authorized or obligated to close
in Delaware or in the City of New York, New York.

     "Capital Stock" means with respect to any person any and all shares,
      -------------
interests, participations or other equivalents (however designated) of corporate
stock, including each class of common stock and preferred stock of such person.

     "Common Stock" means the common stock of Uranium Resources, Inc.
      ------------

     "Exchange Act" means the Securities Exchange Act of 1934, as amended.
      ------------

     "Issuance Date" means July 17, 2000.

     Section 2.     Payments; Exchange.
                    ------------------

     2.1  Principal and Interest. Principal of, and accrued and unpaid interest
          ----------------------
on, this Note shall be due and payable in full on the Maturity Date. Interest on
this Note shall accrue from the date hereof until the

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Maturity Date, at which such time all principal and accrued and unpaid interest
shall be due and payable. All payments on this Note shall be applied first to
accrued interest hereon and then to the payment of principal hereof. If the
Maturity Date or any other date on which payments become due hereunder would
fall on a day that is not a Business Day, the payment due on such date will be
made on the next succeeding Business Day.

     2.2  Optional Prepayment. The Company may prepay this Note at any time or
          -------------------
from time to time, on or after the date hereof, in whole or in part.
Notwithstanding the foregoing, the Company shall not be permitted to prepay any
portion of the outstanding principal amount hereunder after the Holder shall
have given notice of its election to convert the Note.

     2.3  Method of Payment. Payments of principal and interest on this Note
          -----------------
shall be made at the Company's option, by check or wire transfer, in U.S.
dollars. In the case of a payment by check, such check shall be sent to the
Holder's address set forth above or to such other address as the Holder may
designate for such purpose from time to time by written notice to the Company.
In the case of a wire transfer, the Company shall give not less than five days
written notice of its intent to pay by wire transfer to the Holder and shall
send such wire transfer to the Holder's accounts pursuant to wire transfer
instructions provided by the Holder.

     2.4  Waiver of Demand, etc. The obligations to make the payments provided
          ---------------------
for in this Note are absolute and unconditional and not subject to any defense,
set-off, counterclaim, rescission, recoupment, or adjustment whatsoever. The
Company hereby expressly waives demand and presentment for payment, notice of
nonpayment, notice of dishonor, protest, notice of protest, bringing of suit,
and diligence in taking any action to collect any amount called for hereunder,
and shall be directly and primarily liable for the payment of all sums owing and
to be owing hereon, regardless of and without any notice, diligence, act, or
omission with respect to the collection of any amount called for hereunder.

     Section 3.     Events of Default.
                    -----------------

     The occurrence of any of the following events shall constitute an event of
default (an "Event of Default"):
             ----------------

          (a)  The Company shall fail to pay the Note in full on the Maturity
Date.

          (b)  The entry of a decree or order by a court having jurisdiction
adjudging the Company a bankrupt or insolvent, or approving a petition seeking
reorganization, arrangement, adjustment or composition of or in respect of the
Company, under federal bankruptcy law, as now or hereafter constituted, or any
other applicable federal or state bankruptcy, insolvency or other similar law,
and the continuance of any such decree or order unstayed and in effect for a
period of 60 days; or the commencement by the Company of a voluntary case under
federal bankruptcy law, as now or hereafter constituted, or any other applicable
federal or state bankruptcy, insolvency, or other similar law, or the consent by
it to the institution of bankruptcy or insolvency proceedings against it, or the
filing by it of a petition or answer or consent seeking reorganization or relief
under federal bankruptcy law or any other applicable federal or state law, or
the consent by it to the filing of such petition or to the appointment of a
receiver, liquidator, assignee, trustee, sequestrator or similar official of the
Company or of any substantial part of its property, or the making by it of an
assignment for the benefit of creditors, or the taking of corporate action by
the Company in furtherance of any such action.

     Section 4.     Remedies Upon Default.
                    ---------------------

     4.1  Acceleration. Upon the occurrence of an Event of Default, the
          ------------
principal amount then outstanding of, and the accrued interest on, this Note
shall automatically become immediately due and payable without presentment,
demand, protest or other formalities of any kind, all of which are hereby
expressly waived by the Company.

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     4.2  Institution of Actions. The Holder may institute such actions or
          ----------------------
proceedings in law or equity as it shall deem expedient for the protection of
its rights and may prosecute and enforce its claims against all assets of the
Company, and in connection with any such action or proceeding shall be entitled
to receive from the Company payment of the principal amount of this Note plus
accrued interest to the date of payment plus reasonable expenses of collection
including, without limitation, attorney's fees and expenses.

     Section 5.     Transfer. The Holder acknowledges that Holder has been
                    --------
advised by the Company that neither this Note nor any shares to be issued upon
conversion have not been registered under the Act, that the Note is being or has
been issued on the basis of the statutory exemption provided by Section 4(2) of
the Act or Regulation D promulgated thereunder, or both, relating to
transactions by an issuer not involving any public offering. The Holder
acknowledges that he has been informed by the Company of, or is otherwise
familiar with, the nature of the limitations imposed by the Act and the rules
and regulations thereunder on the transfer of securities. In particular, the
Holder agrees that no sale, assignment or transfer of the Note nor of any shares
to be issued upon conversion shall be valid or effective, and the Company shall
not be required to give any effect to any such sale, assignment or transfer,
unless (i) the sale, assignment or transfer of the Note (or of any shares issued
upon conversion) is registered under the Act, it being understood that neither
the Note nor any shares to be issued upon conversion are currently registered
for sale and that the Company has no obligation or intention to so register the
Note or any shares to be issued upon conversion, or (ii) the Note (or any shares
issued upon conversion) is sold, assigned or transferred in accordance with all
the requirements and limitations of Rule 144 under the Act, it being understood
that Rule 144 is not available at the time of the original issuance of this Note
for the sale of the Note (or of any shares issued upon conversion) and that
there can be no assurance that Rule 144 sales will be available at any
subsequent time, or (iii) such sale, assignment, or transfer is otherwise exempt
from registration under the Act. The Holder of this Note (or of any shares
issued upon conversion) and each transferee hereof further agrees that if any
sale, assignment or transfer of this Note (or of any shares issued upon
conversion) is proposed to be made by them otherwise than by delivery of a
prospectus meeting the requirements of Section 10 of the Act, such action shall
be taken only after submission to the Company of an opinion of counsel, which
counsel and opinion are reasonably satisfactory to the Company, to the effect
that the proposed distribution will not be in violation of the Act or of
applicable state law.

     Section 6.     Miscellaneous.
                    -------------

     6.1  Notices. Any notice or other communication required or permitted to be
          -------
given hereunder shall be in writing and shall be mailed by certified mail,
return receipt requested, or by overnight delivery or courier service or
delivered (in person or by telecopy, telex or similar telecommunications
equipment) against receipt to the party to whom it is to be given, (i) if to the
Company, at its address at 12750 Merit Drive, Suite 1020, Dallas, Texas 75251,
(ii) if to the Holder, at its address set forth on the first page hereof, or
(iii) in either case, to such other address as the party shall have furnished in
writing in accordance with the provisions of this Section 6.1. Any notice or
other communication given by certified mail shall be deemed given at the time of
certification thereof, except for a notice changing a party's address which
shall be deemed given at the time of receipt thereof. Any notice given by other
means permitted by this Section 6.1 shall be deemed given at the time of receipt
thereof.

     6.2  Replacement Note. Upon receipt of evidence satisfactory to the Company
          ----------------
of the loss, theft, destruction or mutilation of this Note (and upon surrender
of this Note if mutilated), and upon reimbursement of the Company's reasonable
incidental expenses, the Company shall execute and deliver to the Holder a new
Note of like date, tenor and denomination.

     6.3  No Waiver, etc. No course of dealing and no delay or omission on the
          --------------
part of the Holder in exercising any right or remedy shall operate as a waiver
thereof or otherwise prejudice the Holder's rights, powers or remedies. No
right, power or remedy conferred by this Note upon the Holder shall be exclusive
of any other right, power or remedy referred to herein or now or hereafter
available at law, in equity, by statute or otherwise, and all such remedies may
be exercised singly or concurrently.

     6.4  Modification and Amendment. No modification or amendment of this Note
          --------------------------
shall be effective unless in a writing signed by the Holder and the Company.

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     6.5  Choice of Law. This Note has been negotiated and consummated in the
          -------------
State of Colorado and shall be governed by and construed in accordance with the
laws of the State of Colorado, without giving effect to conflict of laws.

     6.6  Consent of Jurisdiction. The Company irrevocably consents to the
          -----------------------
jurisdiction of the courts of the State of Colorado and of any federal court
located in such State in connection with any action or proceeding arising out of
or relating to this Note, any document or instrument delivered pursuant to, in
connection with or simultaneously with this Note, or a breach of this Note or
any such document or instrument. In any such action or proceeding, the Company
waives personal service of any summons, complaint or other process and agrees
that service thereof may be made in accordance with Section 6.1.

     Section 7.     Conversion.
                    ----------

     7.1  Conversion Procedure.
          --------------------

               (a)  The Holder may at any time give the Company written notice
of its election to convert the entire outstanding balance of this Note
(including all principal and accrued and unpaid interest) into Common Stock (the
"Conversion Shares") at a conversion price of seventy-five cents ($.75) per
share (the "Conversion Price"). To be effective, such notice shall be delivered
by the Holder to the Company in accordance with Section 6.1 hereof, no later
than 60 days prior to the stated date of conversion. The Conversion Price and
number of shares shall be subject to adjustment as provided in this Section 7.
The number of Conversion Shares into which this Note may be converted shall be
equal to the outstanding balance of this Note (including all principal and
accrued and unpaid interest) (the "Conversion Amount") divided by the Conversion
                                   -----------------
Price in effect on the date of such conversion.

               (b)  Issuance of Conversion Shares. Upon any conversion, the
                    -----------------------------
Company shall be required to issue the Conversion Shares to which the Holder is
entitled. Upon a conversion, the Holder must (1) surrender the Note to the
Company, (2) furnish appropriate endorsements and transfer documents if required
by the Company, and (3) pay any transfer or similar tax if required.

     7.2  Reservation of Common Stock. The Company shall at all times reserve
          ---------------------------
and keep available out of its authorized and unissued Common Stock, solely for
the purpose of effecting the conversion of the Note, such number of shares of
Common Stock as shall, from time to time, be sufficient therefor. The Company
covenants that all shares of Common Stock issuable upon conversion of Note, upon
receipt by the Company of the Notes surrendered for conversion, shall be validly
issued, fully paid, nonassessable, and free of preemptive rights.

     7.3  Adjustment for Change in Capital Stock. In case the Company shall at
          --------------------------------------
any time after the Issuance Date (i) pay a dividend or make a distribution on
its outstanding Capital Stock payable in shares of its Common Stock, (ii)
subdivide the outstanding Common Stock into a greater number of shares, (iii)
combine the outstanding Common Stock into a smaller number of shares, or (iv)
issue any shares of its Capital Stock by reclassification of its Common Stock
(including any such reclassification in connection with a consolidation or
merger in which the Company is the continuing corporation), then, in each case,
the Conversion Price, and the number of Conversion Shares issuable upon
conversion of this Note, in effect immediately prior to such action shall be
adjusted so that the Holder may receive the number of shares of Common Stock of
the Company which such Holder would have owned immediately following such action
if such Holder had converted the Note immediately prior to such action. The
adjustment shall become effective immediately after the record date in the case
of a dividend or distribution and immediately after the effective date in the
case of a subdivision, combination or reclassification. Such adjustment shall be
made successively whenever any event listed above shall occur.

     7.4  Adjustment for Other Distributions. In case the Company shall
          ----------------------------------
distribute to all holders of Common Stock (including any such distribution made
to the shareholders of the Company in connection with a consolidation or merger
in which the Company is the continuing corporation) evidences of its
indebtedness, cash or assets (other than distributions and dividends payable in
shares of Common Stock), or

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rights, options, or warrants to subscribe for or purchase Common Stock, or
securities convertible into or exchangeable for shares of Common Stock, then, in
each case, the Conversion Price shall be adjusted by multiplying the Conversion
Price in effect immediately prior to the record date for the determination of
shareholders entitled to receive such distribution by a fraction, the numerator
of which shall be the Conversion Price on such record date, less the fair market
value of the portion of the evidences of indebtedness or assets so to be
distributed, or of such rights, options, or warrants or convertible or
exchangeable securities, or the amount of such cash, applicable to one share,
and the denominator of which shall be such Conversion Price. Such adjustment
shall be made whenever any such distribution is made, and shall become effective
on the record date for the determination of shareholders entitled to receive
such distribution.

     7.5  Adjustment on a Record Date. In any case in which this Section 7 shall
          ---------------------------
require that an adjustment in the Conversion Price be made effective as of a
record date for a specified event, the Company may elect to defer, until the
occurrence of such event, issuing to the Holder, if the Holder converted this
Note after such record date, the shares of Common Stock, if any, issuable upon
such conversion over and above the shares of Common Stock, if any, issuable upon
such conversion on the basis of the Conversion Price in effect prior to such
adjustment; provided, however, that the Company shall deliver to the Holder a
            --------  -------
due bill or other appropriate instrument evidencing the Holder's right to
receive such additional shares upon the occurrence of the event requiring such
adjustment.

     7.6  Notice of Adjustment. Whenever there shall be an adjustment as
          --------------------
provided in this Section, the Company shall promptly cause written notice
thereof to the Holder, which notice shall be accompanied by an officer's
certificate setting forth the number of Conversion Shares purchasable upon the
conversion of this Note and the Conversion Price after such adjustment and
setting forth a brief statement of the facts requiring such adjustment and the
computation thereof, which officer's certificate shall be conclusive evidence of
the correctness of any such adjustment absent manifest error.

     7.7  Consolidation; Merger. In case of any consolidation with or merger of
          ---------------------
the Company with or into another corporation (other than a merger or
consolidation in which the Company is the surviving or continuing corporation),
or in case of any sale, lease, or conveyance to another corporation of the
property and assets of any nature of the Company as an entirety or substantially
as an entirety, the Company shall not less than 30 days prior to the closing
date for such merger, consolidation or other transaction notify the Holder in
writing of such transaction and of the date set for the closing thereof. Holder
may at any time prior to the closing date specified in such notice elect to
convert the Note into Common Stock of the Company as provided in Section 7.1(a).
If Holder does not give notice of its election to convert the Note prior to the
closing date, Holder's right to convert the Note into Common Stock shall no
longer be of any force or effect, but the Company and any successor of the
Company, whether by merger, consolidation or otherwise shall remain obligated to
repay the Note according to its terms.

     7.8  Notice of Certain Transactions. In case at any time the Company shall
          ------------------------------
propose:

               (a)  to pay any dividend or make any distribution on shares of
its Capital Stock in shares of Common Stock or make any other distribution to
all holders of Common Stock; or

               (b)  to issue any rights, warrants, or other securities to all
holders of Common Stock entitling them to purchase any additional shares of
Common Stock or any other rights, warrants, or other securities; or

               (c)  to effect any reclassification or change of outstanding
shares of Common Stock, or any consolidation, merger, sale, lease, or conveyance
of property, described in Section 7.7; or

               (d)  to effect any liquidation, dissolution, or winding-up of the
Company; or

               (e)  to take any other action which would cause an adjustment to
the Conversion Price;

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then, and in any one or more of such cases, the Company shall give written
notice thereof to the Holder at least 30 days prior to (i) the date as of which
the holders of record of shares of Common Stock to be entitled to receive any
such dividend, distribution, rights, warrants, or other securities are to be
determined, (ii) the date on which any such reclassification, change of
outstanding shares of Common Stock, consolidation, merger, sale, lease,
conveyance of property, liquidation, dissolution, or winding-up is expected to
become effective, and the date as of which it is expected that holders of record
of shares of Common Stock shall be entitled to exchange their shares for
securities or other property, if any, deliverable upon such reclassification,
change of outstanding shares, consolidation, merger, sale, lease, conveyance of
property, liquidation, dissolution, or winding-up, or (iii) the date of such
action which would require an adjustment to the Conversion Price.

     7.9  Taxes. The issuance of any shares or other securities upon the
          -----
exercise of this Note, and the delivery of certificates or other instruments
representing such shares or other securities, shall be made without charge to
the Holder for any tax or other charge in respect of such issuance. The Company
shall not, however, be required to pay any tax which may be payable in respect
of any transfer involved in the issue and delivery of any certificate in a name
other than that of the Holder and the Company shall not be required to issue or
deliver any such certificate unless and until the person or persons requesting
the issue thereof shall have paid to the Company the amount of such tax or shall
have established to the satisfaction of the Company that such tax has been paid.

     IN WITNESS WHEREOF, the Company has caused this Note to be executed and
dated the day and year first above written.

URANIUM RESOURCES, INC.

By: /s/ Paul K. Willmott
    -----------------------

URI, INC.

By: /s/ Paul K. Willmott
    -----------------------

                                     E-10<PAGE>

                                                                    Exhibit 10.1
                                 LOAN AGREEMENT

This Loan Agreement (the "Agreement") is made as of April 8, 2002 by and between
Cell Therapeutics, Inc., a Washington corporation (the "Company"), and James A.
Bianco ("Borrower").

                                    Recitals

     A. Borrower is employed by the Company in the capacity of President and
Chief Executive Officer.

     B. Borrower has requested the Company to loan to Borrower the principal sum
of $3.5 million on the terms set forth herein.

     C. Borrower desires to incur payment and other obligations to the Company
pursuant to this Agreement, a Pledge Agreement and a promissory note to be
issued by Borrower to the Company and a mortgage to be executed by [omitted]
Associates LLC in favor of the Company.

     D. Pursuant to that certain Pledge Agreement, dated June 21, 2001, between
Borrower and Merrill Lynch Credit Corporation ("MLCC"), Borrower has pledged
[omitted] shares of Company common stock (the "Shares") owned by him to MLCC as
collateral for a loan granted to Borrower by MLCC (the "MLCC Obligation").

     E. The proceeds of the loan will be used to discharge the portion of the
MLCC Obligation secured by the Shares.

     NOW, THEREFORE, in consideration of the foregoing promises and for other
good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

     1. Loan. The Company will lend to Borrower the amount of Three Million Five
        ----
Hundred Thousand Dollars ($3,500,000) (the "Loan") pursuant to the Note (as
defined below), and on the terms and conditions set forth herein.

     2. Conditions Precedent. The Company's obligation to extend the Loan to
        --------------------
Borrower pursuant to this Agreement is expressly conditioned upon the
satisfaction, or waiver by the Company, of the following conditions precedent:

        (a) Borrower shall have delivered to the Company one fully executed
original promissory note in the amount of Three Million Five Hundred Thousand
Dollars ($3,500,000) in the form attached hereto as Exhibit A (the "Note").

        (b) Borrower shall have executed and delivered to the Company a Pledge
Agreement, in the form attached hereto as Exhibit B (the "Pledge Agreement").

<PAGE>

        (c) [omitted] Associates LLC, a Washington Limited Liability Company,
shall have executed and delivered to the Company a mortgage, in the form
attached hereto as Exhibit C (the "Mortgage").

        (d) MLCC shall have agreed in writing to release, and terminate its
interest in, the Shares upon receipt of the proceeds of the Loan.

     3. Borrower's Representations and Warranties. Borrower hereby makes the
        -----------------------------------------
following representations and warranties to the Company, which representations
and warranties shall be true and correct as of the date hereof and on the date
of making the Loan, and Borrower acknowledges that the Company is relying on
such representations in entering into this Agreement and making the Loan:

        (a) To Borrower's knowledge there are no material actions, proceedings,
claims or disputes pending or, to Borrower's knowledge, threatened against or
affecting Borrower.

        (b) Borrower understands and acknowledges that this Agreement does not
modify his employment status at the Company and does not constitute an
employment agreement or a promise by the Company to continue Borrower's
employment or to amend, alter or replace in any way the Employment Agreement,
effective July 4, 2000, between the Company and Borrower.

        (c) Borrower hereby acknowledges that the Company has made no
representation or warranty to Borrower concerning the income tax consequences of
the Loan to Borrower and Borrower shall be solely responsible for ascertaining
and bearing such tax consequences.

        (d) [omitted] Associates LLC has good and marketable title to the
Property (as defined in the Note).

        (e) The consent of no other person or entity is required for [omitted]
Associates LLC to grant the security interest in the Property to the Company
evidenced by the Mortgage.

     4. Repayment of Loan and Maturity Event. Borrower shall repay all amounts
        ------------------------------------
due under the Note at the times and in accordance with the terms specified in
the Note. The Note shall immediately become due and payable, without notice or
demand, upon the occurrence of any "Maturity Event" as defined in the Note.

     5. Use of Loan Funds. Borrower shall use the proceeds of the Loan for the
        -----------------
sole purpose of satisfying in full the portion of the MLCC Obligation secured by
the Shares.

     6. Option to Extend. Borrower shall have the option to extend the repayment
        ----------------
date and/or amend the terms of the Loan subject to approval of such extension
and/or amendment by the Company in its sole discretion; provided, however, that
such option must be exercised by Borrower not later than 60 days prior to
April 8, 2004.

     7. Invalidity of Particular Provisions. Borrower and the Company agree that
        -----------------------------------
the enforceability or invalidity of any provision or provisions of this
Agreement shall not render any other provision or provisions herein contained
unenforceable or invalid.

                                      -2-

<PAGE>

     8. Successors or Assigns. Borrower and the Company agree that all of the
        ---------------------
terms of this Agreement shall be binding on their respective successors and
assigns, and that the term "Borrower" and the term "Company" as used herein
shall be deemed to include, for all purposes, the respective designees,
successors, assigns, heirs, executors and administrators. Borrower shall not be
permitted to assign any of his rights or obligations hereunder or under the Note
or Pledge Agreement.

     9. Governing Law. This Agreement shall be interpreted and governed under
        -------------
the internal substantive laws, but not the choice of law rules, of the State of
Washington.

     10. Counterparts. This Agreement may be executed in one or more
         ------------
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

     11. Attorney's Fees. If any action or proceeding is brought to construe or
         ---------------
enforce this Agreement, the prevailing party shall be entitled to collect from
the losing party all costs and expenses incurred, including reasonable
attorney's fees.

     12. Notices. Any requests, demand, or notices required or permitted under
         -------
this Agreement shall be given in writing and shall be deemed effectively given
upon personal delivery or by facsimile or forty-eight (48) hours after deposit
in the United States mail (postage prepaid), by certified mail, return receipt
requested, addressed to the receiving party.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.

BORROWER                                CELL THERAPEUTICS, INC.

 /JAMES A. BIANCO/                      By: /JAMES CANFIELD/
--------------------                       ------------------------------------
James A. Bianco                            Name: James Canfield
                                           Title: Chief Administrative Officer

                                       -3-

<PAGE>

                                    EXHIBIT A

                                 PROMISSORY NOTE

$3,500,000

                                                                   April 8, 2002

     FOR VALUE RECEIVED, James A. Bianco ("Borrower") promises to pay to Cell
Therapeutics, Inc., a Washington corporation (the "Company"), the principal sum
of Three Million Five Hundred Thousand Dollars ($3,500,000), together with
interest on the unpaid principal hereof from the date hereof at the per annum
rate of interest (based on a year of 360 days consisting of twelve (12)
thirty-day months) equal to (a) the six-month LIBOR rate as quoted in The Wall
Street Journal on the first Business Day (meaning the first day on which
commercial banks are not authorized or required to close) of each six-month
period, plus (b) 2.25%; provided, however, that such rate shall not be lower
than the appropriate Applicable Federal Rate for loans with similar terms, as
published by the Internal Revenue Service. All accrued and unpaid interest shall
be due semi-annually, on April 8 and October 8 of each year, with the first
payment due on October 8, 2002. Should a payment date fall on a day that is not
a Business Day, such payment shall be due on the next Business Day.

     This Note is entered into in connection with a Loan Agreement and a Pledge
Agreement between Borrower and the Company and a Mortgage executed in favor of
the Company by [omitted] Associates LLC, a Washington Limited Liability Company,
each of even date hereof (the "Loan Agreement," the "Pledge Agreement," and the
"Mortgage," respectively, and, collectively, the "Ancillary Agreements"). This
Note is subject to all of the terms of the Ancillary Agreements. Any defined
terms not defined in this Note shall have the meaning set forth in the Loan
Agreement, except for the term "Collateral," which shall have the meaning set
forth in the Pledge Agreement.

     SECTION 1. Maturity Event: Upon the occurrence of a Maturity Event (as
                --------------
hereinafter defined), the entire principal amount of the Note, all accrued but
unpaid interest and any other sums due hereunder, shall become immediately due
and payable without further demand or notice to Borrower. All of the following
events shall be a "Maturity Event" under this Note and the Ancillary Agreements:

          (a) 180 days after the date of termination or cessation of Borrower's
employment with the Company for any reason, whether voluntary or involuntary,
and whether with cause or without cause.

          (b) There shall occur any default in the performance of any obligation
of Borrower contained in the Ancillary Agreements, or any other deed of trust or
other agreement (including any amendment, modification or extension thereof),
which may hereafter be executed by Borrower for the purpose of securing this
Note.

          (c) Borrower, without the prior written consent of the Company,
voluntarily or by operation of law, sells, conveys, assigns or otherwise
transfers or agrees to sell, convey or otherwise

<PAGE>

transfer, all or any portion of, or any interest in the Collateral or the
Property, except as expressly provided for herein or in the Ancillary
Agreements.

          (d) Borrower (i) admits in writing his inability to pay debts, (ii)
makes an assignment for the benefit of creditors, (iii) files a voluntary
petition in bankruptcy, effect a plan or other arrangement with creditors,
liquidates his assets under arrangement with creditors, or liquidates his assets
under court supervision, (iv) has an involuntary petition in bankruptcy filed
against him that is not discharged within sixty (60) days after such petition is
filed, or (v) applies for or permits the appointment of a receiver or trustee or
custodian for any of his property or assets which shall not have been discharged
within sixty (60) days after the date of appointment.

          (e) Borrower breaches any representation or warranty contained herein
or in the Ancillary Agreements, or any agreement or instrument executed in
connection with this loan proves to have been false or misleading.

          (f) One hundred eighty (180) days after Borrower's death.

          (g) April 8, 2004 (unless Borrower has exercised the option to extend
the repayment date of the Loan (and the Company has approved such extension),
pursuant to Section 6 of the Loan Agreement, in which case such new date shall
constitute a Maturity Event).

          (h) Borrower or [omitted] Associates LLC fail to execute, acknowledge
and deliver the Ancillary Agreements concurrently with this Note; or the Company
shall not, for any reason, have a perfected, first priority security interest in
the Collateral and a security interest in the property located at [omitted] (the
"Property") second only to the interest in the Property held by MLCC (the
"Senior Security Interest").

          (i) Borrower uses any of the funds constituting the Loan for any
purpose other than satisfying the MLCC Obligation.

          (j) [omitted] Associates LLC defaults on its promissory note or deed
of trust, each dated June 21, 2001, granted for the benefit of MLCC and
establishing the Senior Security Interest in the Property.

     SECTION 2. Interest: Upon the failure of Borrower to pay accrued interest,
                --------
or the outstanding principal balance after a Maturity Event, interest on the
accrued interest and the outstanding principal balance shall thereafter accrue
at the rate of three (3) percentage points in excess of the rate otherwise
applicable, or if lower, the highest rate permitted by applicable law until
paid.

     SECTION 3. Borrower's Representations: Borrower hereby makes the following
                --------------------------
representations and warranties to the Company and acknowledges that the Company
is relying on such representations in making the loan:

          (a) To Borrower's knowledge there are no material actions,
proceedings, claims or disputes pending or, to Borrower's knowledge, threatened
against or affecting Borrower.

                                       -2-

<PAGE>

        (b) Borrower understands and acknowledges that this Note does not modify
his employment status at the Company and does not constitute an employment
agreement or a promise by the Company to continue Borrower's employment or to
amend, alter or replace in any way the Employment Agreement, effective July 4,
2000, between the Company and Borrower.

        (c) Borrower hereby acknowledges that the Company has made no
representation or warranty to Borrower concerning the income tax consequences of
the loan to Borrower and Borrower shall be solely responsible for ascertaining
and bearing such tax consequences.

        (d) [omitted] Associates LLC has good and marketable title to the
Property.

        (e) The consent of no other person or entity is required for [omitted]
Associates LLC to grant the security interest in the Property to the Company
evidenced by the Mortgage.

     SECTION 4. Borrower's Additional Obligations: Borrower shall take any and
                ---------------------------------
all further actions that may from time to time be required to ensure that the
Pledge Agreement creates a valid first priority lien on the Collateral in favor
of the Company, and that the Mortgage creates a valid security interest in the
Property that shall be second in priority only to the Senior Security Interest,
each of which shall secure the Note. If it should be hereafter determined that
there are defects against title or matters which could result in defects against
title to the Collateral or the Property, or that the consent of another person
or entity is required to grant to and perfect in the Company a valid lien on the
Collateral or the Property, Borrower shall promptly take all action necessary to
remove such defects and to obtain such consent and grant (or cause to be
granted) and perfect such lien on the Collateral or the Property. Failure of
Borrower to comply with this provision shall be deemed a default under this Note
and the Ancillary Agreements.

     SECTION 5. Payments: Payments due under this Note shall be made in lawful
                --------
money of the United States of America. The undersigned may at any time prepay
all or any portion of the amounts due under this Note by giving one (1) days
prior written notice to the Company of his intent to make payment to the
Company.

     SECTION 6. Security: This Note is secured by the Pledge Agreement pursuant
                --------
to which Borrower pledges all securities (excluding stock options and shares of
stock acquired by exercising stock options) of the Company now owned or
hereafter acquired and held in any securities account or otherwise, wherever
located, and the Mortgage pursuant to which the Company is granted a security
interest in the Property.

     SECTION 7. Full Recourse: The undersigned shall be liable for all
                -------------
obligations arising under this Note. The holder of this Note shall have full
recourse against the undersigned.

     SECTION 8. Attorney's Fees: Should any action be instituted for the
                ---------------
collection of this Note, the reasonable costs and attorneys' fees therein of the
holder shall be paid by the undersigned.

                                                BORROWER:

                                                   /JAMES A. BIANCO/
                                                ------------------------------
                                                James A. Bianco

                                      -3-

<PAGE>

                                    EXHIBIT B

                                PLEDGE AGREEMENT

     This Pledge Agreement (the "Agreement") is made as of April 8, 2002, by and
between Cell Therapeutics, Inc., a Washington Corporation (the "Company"), and
James A. Bianco ("Borrower").

                             PRELIMINARY STATEMENTS

     A. Borrower and the Company have entered into a Loan evidenced by a Note
dated as of today.

     B. It is a condition precedent to the Company's obligations to make the
Loan that Borrower shall have executed and delivered to the Company this
Agreement and the Pledged Shares.

     C. The Pledged Shares are initially to be held in Account No. [omitted]
(the "Account") in the name of James A. Bianco at the Seattle, Washington
offices of Merrill Lynch, Pierce, Fenner & Smith Incorporated (the "Securities
Intermediary").

     D. The Company has appointed the Securities Intermediary for purposes of
maintaining the Account and performing certain actions with respect thereto in
accordance with the terms of an Account Control Agreement.

     NOW, THEREFORE, in consideration of the premises and in order to induce the
Company to make the Loan, Borrower hereby agrees with the Company for the
benefit of the Company, as follows:

     SECTION 1. Certain Defined Terms. Unless otherwise defined in this Section
                ---------------------
1, (a) capitalized terms used in this Agreement have the meanings specified
herein, and (b) terms used in Article 8 or 9 of the Uniform Commercial Code from
time to time in effect in the State of Washington (the "WAUCC") are used herein
as therein defined. As used in this Agreement, the following terms shall have
the following meanings (such meanings to be equally applicable to both the
singular and the plural forms of the terms defined):

     "Book-Entry Security" means a security maintained in the form of entries
(including, without limitation, the Securities Entitlements in, and the
financial assets based on, such security) in the commercial book-entry system of
the Federal Reserve System.

     "Borrower's Obligations" has the meaning specified in Section 3.

     "Collateral" has the meaning specified in Section 2.

     "Entitlement Holder" means a person that (i) is an "entitlement holder" as
defined in Section 8-102(1)(g) of the WAUCC (except in respect of a Book-Entry
Security); and (ii) in respect of a Book-Entry Security, is an "entitlement
holder" as defined in 31 C.F.R. Section 357.2 (or, as applicable to such
Book-Entry Security, the corresponding Federal Book-Entry Regulations

<PAGE>

governing such Book-Entry Security) which, to the extent required or permitted
by the Federal Book-Entry Regulations, is also an "entitlement holder" as
defined in Section 8-102(1)(g) of the WAUCC.

     "Event of Default" means a Maturity Event, as defined in the Note, or
failure to comply with any obligation herein within thirty days after receipt of
written notice.

     "Federal Book-Entry Regulations" means (a) the federal regulations
contained in Subpart B ("Treasury/Reserve Automated Debt Entry System (TRADES)"
governing Book-Entry Securities consisting of U.S. Treasury bonds, notes and
bills) and Subpart D ("Additional Provisions") of 31 F.C.R. Part 357, 31 C.F.R.
Section 357.10 through Section 357.14 and Section 357.41 through Section 357.44
(including related defined terms in 31 C.F.R. Section 357.2); and (b) to the
extent substantially identical to the federal regulations referred to in clause
(a) above (as in effect from time to time), the federal regulations governing
other Book-Entry Securities.

     "Loan" has the meaning specified in that certain Loan Agreement, dated as
of today, by and between the Company and Borrower.

     "MLCC Agreement" means that certain Pledge Agreement dated June 21, 2001,
between Borrower and Merrill Lynch Credit Corporation.

     "Note" has the meaning specified in that certain Loan Agreement, dated as
of today, by and between the Company and Borrower.

     "Pledged Shares" has the meaning specified in Section 2(a).

     "Securities Intermediary" means a person that (a) is a "securities
intermediary" as defined in Section 8-102(1)(n) of the WAUCC and (b) in respect
of any Book-Entry Security, is also a "securities intermediary" as defined in 31
C.F.R. Section 357.2 (or, as applicable to such Book-Entry Security, the
corresponding Federal Book-Entry Regulations governing such Book-Entry
Security).

     "Securities Entitlement" means (a) "securities entitlement" as defined in
Section 8-102(1)(q) of the WAUCC (except in respect of a Book-Entry Security);
and (b) in respect of any Book-Entry Security, a "security entitlement" as
defined in 31 C.F.R. Section 357.2 (or, as applicable to such Book-Entry
Security, the corresponding Federal Book-Entry Regulations governing such
Book-Entry Security) which, to the extent required or permitted by the Federal
Book-Entry Regulations, is also a "security entitlement" as defined in Section
8-102(1)(q) of the WAUCC.

     SECTION 2. Grant of Security. Borrower hereby pledges and assigns to the
                -----------------
Company and hereby grants to the Company a continuing security interest in and
to all of Borrower's right, title and interest in and to the following (whether
consisting of investment securities, Book-Entry Securities or other securities,
Security Entitlements, financial assets or other investment property, accounts,
general intangibles, instruments or documents, chattel paper, securities
accounts or other property, assets or rights), whether now owned or hereafter
acquired, wherever located and whether now or hereafter existing (collectively,
the "Collateral"):

          (a)any and all shares of common stock (other than those acquired by
exercising stock options) now or hereinafter owned or acquired by Borrower and
issued by the Company, whether or

                                      -2-

<PAGE>

not evidenced by certificates or agreements, and the certificates, if any,
representing such shares, all security therefore, and all dividends,
distributions, profits, bonuses, premiums, income, cash, instruments and other
property and assets from time to time received, receivable or otherwise
distributed in respect of or in exchange for any or all of such shares or other
interests, together with all shares of stock which may hereafter be delivered by
Borrower; including, without limitation, the shares listed on Schedule I hereto
(the "Pledged Shares");

     (b) the Account; and

     (c) all proceeds (including cash proceeds) of any and all of the foregoing
Collateral (including, but not limited to, proceeds that constitute property of
the types described above in this Section 2).

     SECTION 3. Security for Obligations. This Agreement secures the payment of
                ------------------------
all obligations of Borrower, now or hereafter existing, under the Loan, the
Note, and this Agreement, whether for principal, interest, fees, expenses or
otherwise (all such obligations of Borrower being collectively the "Borrower's
Obligations"). Without limiting the generality of the foregoing, this Agreement
secures the payment of all amounts that constitute part of the Borrower's
Obligations and would be owed by Borrower to the Company under the Loan and the
Note but for the fact that they are unenforceable or not allowable due to the
existence of a bankruptcy, reorganization, or similar proceeding involving
Borrower.

     SECTION 4. Delivery of Collateral. All certificates or instruments
                ----------------------
representing or evidencing the Collateral, if any, shall be delivered to and
held by the Company (including through the Account) and shall be in suitable
form for transfer by delivery, or shall be accompanied by duly executed
instruments of transfer or assignment in blank, all in form and substance
satisfactory to the Company. The Company shall have the right at any time to
exchange certificates or instruments representing or evidencing any of the
Collateral for certificates or instruments of smaller or larger denominations.

     SECTION 5. Permitted Transfers. At Borrower's request, provided there has
                -------------------
not then occurred and be continuing an Event of Default or Maturity Event and
provided that the market value of the Pledged Shares exceeds by 50% the
principal balance and unpaid interest on the Loan (both before and immediately
after giving effect to such Permitted Transfer), the Company will release
Pledged Shares at Borrower's written request for sale or for contribution
without consideration to a charity; provided, that any such charitable
contributions do not exceed 20,000 shares during the time hereof ("Permitted
Transfers"). Seventy-five percent (75%) of any after-tax net proceeds received
by Borrower with respect to such released shares shall be utilized to repay
accrued interest and principal on the Loan and the remainder shall be retained
by Borrower. Prior to making any Permitted Transfer, Borrower shall notify the
Compensation Committee of the Company's board of directors setting forth the
terms thereof and certifying that such transfer constitutes a Permitted
Transfer.

     SECTION 6. Representations and Warranties. Borrower represents and warrants
                ------------------------------
as follows:

          (a) The Pledged Shares have been duly authorized and validly issued
and are fully paid and non-assessable.

                                       -3-

<PAGE>

     (b) Borrower is the sole legal owner of the Collateral free and clear of
any lien, security interest, option, or other charge, encumbrance, or
restriction (including, but not limited to, any restriction (contractual or
otherwise) on the transferability of the Pledged Shares).

     (c) The pledge and assignment of the Collateral pursuant to this Agreement
creates a valid and perfected first priority security interest in the
Collateral, securing the payment of the Borrower's Obligations.

     (d) No consent of any other person or entity and no authorization,
approval, consent or other action by, and no notice to or filing or registration
with, any governmental authority or regulatory body is required for (i) the
pledge and assignment by Borrower of the Pledged Shares pursuant to this
Agreement, (ii) the execution, delivery or performance of this Agreement by
Borrower, (iii) the creation, perfection or maintenance of the security interest
created hereby (including, but not limited to, the first priority nature of such
security interest) or (iv) the exercise by the Company of the voting or other
rights provided for in this Agreement or the remedies in respect of the Pledged
Shares pursuant to this Agreement (except as may be required in connection with
any disposition of any portion of the Pledged Shares by laws affecting the
offering and sale of securities generally).

     (e) The Pledged Shares do not constitute five percent or more of the issued
and outstanding shares of stock of the Company.

     (f) The Pledged Shares are either listed or admitted to trading on the New
York Stock Exchange or the American Stock Exchange or are quoted on the NASDAQ
National Market.

     (g) No order of the Securities and Exchange Commission and no provision of
any federal or state securities laws or state "Blue Sky" laws is or will be
violated or contravened by any of (i) the making of the Loan to Borrower, (ii)
the application of the proceeds of the Loan, (iii) the repayment by Borrower of
all or any portion of the Loan, (iv) the payment by Borrower of any interest on
the Loan, (v) the pledge and assignment by Borrower of the Pledged Shares
pursuant to this Agreement, (vi) the execution, delivery, or performance of this
Agreement by Borrower or (vii) the creation, perfection, or maintenance of the
security interest created hereby.

     (h) Borrower's social security number is [omitted].

     (i) Borrower, independently and without reliance upon the Company and based
on such documents and information as Borrower has deemed appropriate, has made
his own credit analysis and decision to enter into this Agreement.

     SECTION 7. Further Assurances. Borrower agrees that at any time and from
                ------------------
time to time, at his sole expense, Borrower will promptly execute and deliver
all further instruments and documents, and take all further action, that may be
necessary or desirable or that the Company may reasonably request, in order to
perfect and protect any security interest granted or purported to be granted by
him hereunder or to enable the Company to exercise and enforce its rights and
remedies hereunder with respect to any of the Collateral.

     SECTION 8. Company Appointed Attorney-in-Fact. Borrower hereby appoints the
                ----------------------------------
Company Borrower's attorney-in-fact, with full authority in the place and stead
of Borrower and in

                                       -4-

<PAGE>

the name of Borrower or otherwise, from time to time in the Company's discretion
to take any action and to execute any instrument which the Company may deem
necessary or advisable to accomplish the purposes of this Agreement (subject to
the rights of Borrower under Section 11), including, without limitation, to
receive, indorse and collect all instruments made payable to Borrower
representing any dividend or other distribution in respect of the Pledged Shares
or any part thereof and to give full discharge for the same and to file any
reports or other filings required by Rule 144 or any other governmental
authority or regulatory body that may be substituted therefore or with any
national securities exchange.

     SECTION 9. Company May Perform. If Borrower fails to perform any agreement
                -------------------
contained herein, the Company may itself perform, or cause performance of, such
agreement, and the expenses of the Company incurred in connection therewith
shall be payable by Borrower under Section 15.

     SECTION 10. No Assumption of Duties; Reasonable Care. The powers conferred
                 ----------------------------------------
on the Company hereunder are solely to protect the Company's interest in the
Collateral and shall not impose any duty upon the Company to exercise any such
powers. The Company shall not have any duty as to any of the Collateral, as to
ascertaining or taking action with respect to calls, conversions, exchanges,
maturities, tenders, or other matters relative to any of the Collateral, whether
or not the Company has or is deemed to have knowledge of such matters, or as to
the taking of any necessary steps to preserve rights against any parties or any
other rights pertaining to any of the Collateral.

     SECTION 11. Voting Rights; Dividends; Etc.
                 -----------------------------

           (a) So long as no Event of Default or Maturity Event or event
which, with the giving of notice or the lapse of time, or both, would become an
Event of Default or Maturity Event shall have occurred and be continuing:

               (i)  Borrower shall be entitled to exercise or refrain from
          exercising any and all voting and other consensual rights pertaining
          to the Collateral or any part thereof for any purpose not inconsistent
          with the terms of this Agreement or the Loan.

               (ii) Borrower shall be entitled to receive and retain any and all
          dividends paid in respect of the Collateral; provided that any and all

                    (A) dividends (including, but not limited to, stock
               dividends) paid or payable other than in cash in respect of, and
               instruments and other property received, receivable or otherwise
               distributed in respect of, or in exchange for, any of the
               Collateral for any reason, including, but not limited to, any
               change in the number or kind of outstanding shares of any
               securities of any issuer of any of the Pledged Shares, or any
               successor to any such issuer, by reason of any recapitalization,
               merger, consolidation, reorganization, separation, liquidation,
               stock split, stock dividend, combination of shares, or other
               similar corporate event,

                    (B) dividends and other distributions paid or payable in
               cash in respect of any of the Collateral in connection with a
               partial or total liquidation or dissolution or in connection with
               a reduction of capital, capital surplus or paid-in-surplus, and

                                      -5-

<PAGE>

               (C) cash paid, payable or otherwise distributed in respect of
          principal of, or in redemption of, or in exchange for, any of the
          Collateral, shall be, and shall be forthwith delivered to the Company
          on behalf of the Company, as applicable, to hold as Collateral and
          shall, if received by Borrower, be received in trust for the benefit
          of the Company, be segregated from the other property or funds of
          Borrower, and be forthwith delivered to the Company as Collateral in
          the same form as so received (with any necessary indorsement or
          assignment).

          (iii) The Company shall cause to be executed and delivered to Borrower
     all such proxies and other instruments as Borrower may reasonably request
     for the purpose of enabling Borrower to exercise the voting and other
     rights which Borrower is entitled to exercise pursuant to Section 11(a)(i)
     and to receive the dividends which Borrower is authorized to receive and
     retain pursuant to Section 11(a)(ii).

          (b) Upon the occurrence and during the continuance of an Event of
Default, Maturity Event or an event which, with the giving of notice or the
lapse of time, or both, would become an Event of Default or Maturity Event:

               (i)  All rights of Borrower (A) to exercise or refrain from
          exercising the voting and other consensual rights which Borrower would
          otherwise be entitled to exercise pursuant to Section 11(a)(i) shall,
          upon notice to Borrower by the Company, cease and (B) to receive the
          dividends which Borrower would otherwise be authorized to receive and
          retain pursuant to Section 11(a)(ii) shall automatically cease, and
          all such rights shall thereupon become vested in the Company which
          shall thereupon have the sole right to exercise or refrain from
          exercising such voting and other consensual rights and to receive and
          hold as Collateral such dividends.

               (ii) All dividends which are received by Borrower contrary to the
          provisions of Section 11(b)(i) shall be received in trust for the
          benefit of the Company, shall be segregated from other property and
          funds of Borrower and shall be forthwith paid over to the Company as
          Collateral in the same form as so received (with any necessary
          indorsement).

     SECTION 12. Transfers and Other Liens. Borrower will not (a) sell, assign
                 -------------------------
(by operation of law or otherwise) or otherwise dispose of, or grant any option
with respect to, any of the Collateral, or (b) create or permit to exist any
lien, security interest, option, right of first refusal, or other charge or
encumbrance upon or with respect to any of the Collateral, except for the
security interest under this Agreement and as provided in Section 5.

     SECTION 13. Continuing Security Interest; Assignment under Credit
                 -----------------------------------------------------
Agreement. This Agreement shall create a continuing security interest in the
---------
Collateral and shall (a) remain in full force and effect until the payment in
full in cash of the Borrower's Obligations and all other amounts payable under
this Agreement, (b) be binding upon Borrower and the heirs, executors,
administrators, legal representatives, successors and assigns of Borrower, and
(c) inure to the benefit of, and be enforceable by, the Company and the
successors, transferees, and assigns of the Company.

                                       -6-

<PAGE>

     SECTION 14. Remedies. If an Event of Default or Maturity Event shall have
                 --------
occurred and be continuing:

     (a) The Company may exercise in respect of the Collateral, in addition to
other rights and remedies provided for herein or otherwise available to the
Company, all the rights and remedies of a secured party on default under the
WAUCC (whether or not the WAUCC applies to the affected Collateral), and may
also, without notice except as specified below, sell the Pledged Shares,
dispose, liquidate or transfer the Account or assets therein, or any part
thereof in one or more parcels at public or private sale, at any exchange, at
any broker's board or at any of the Company's offices or elsewhere, for cash, on
credit or for future delivery, and upon such other terms as the Company may deem
commercially reasonable which may include block transactions and/or sales at
prices which are below the current prices quoted on any open market. Borrower
agrees that, to the extent notice of sale shall be required by law, at least
three days notice to Borrower of the time and place of any public sale or the
time after which any private sale is to be made shall constitute reasonable
notification. The Company shall not be obligated to make any sale of any of the
Collateral regardless of notice of sale having been given. The Company may
adjourn any public or private sale from time to time by announcement at the time
and place fixed therefore, and such sale may, without further notice, be made at
the time and place to which it was so adjourned.

     (b) All cash proceeds received by the Company in respect of any sale of,
collection from, or other realization upon all or any part of the Collateral
shall be held by the Company as collateral for, and/or then or at any time
thereafter applied (after payment of any amounts payable to the Company pursuant
to Section 15) in whole or in part by the Company against, all or any part of
the Borrower's Obligations in such order as the Company shall elect. Any surplus
of such cash or cash proceeds held by the Company and remaining after payment in
full of all the Borrower's Obligations shall be paid over to Borrower or to
whomsoever else may be lawfully entitled to receive such surplus.

     (c) Notwithstanding the foregoing, Borrower and the Company recognize that
any disposition of Collateral must be made in accordance with any applicable
federal or state securities laws. Borrower recognizes that the Company may deem
it impracticable to effect a public sale of all or any part of the Collateral
subject to such securities laws and that the Company may, therefore, determine
to make one or more private sales of any such Collateral to a restricted group
of purchasers who will be obligated to agree, among other things, to acquire
such Collateral for their own account, for investment and not with a view to the
distribution or resale thereof. Borrower acknowledges that any such private sale
may be at prices and on terms less favorable than the prices and other terms
which might have been obtained at a public sale and, notwithstanding the
foregoing, agrees that such private sale shall be deemed to have been made in a
commercially reasonable manner and that the Company shall have no obligation to
delay sale of any such securities for the period of time necessary to permit
Borrower to register such Collateral for public sale under the Securities Act of
1933, as amended.

     SECTION 15. Expenses. Borrower will upon demand pay to the Company the
                 --------
amount of any and all reasonable expenses, including, but not limited to, the
reasonable fees and expenses of the Company's counsel and of any experts and
agents, which the Company may incur in connection with (a) the administration of
this Agreement, (b) the custody or preservation of, or the sale of, collection
from, or other realization upon, any of the Collateral, (c) the exercise or
enforcement of

                                      - 7 -

<PAGE>

any of the rights of the Company hereunder or (d) the failure by Borrower to
perform or observe any of the provisions hereof.

     SECTION 16. Amendments, Waivers, and Consents. No amendment or waiver of
                 ----------
any provision of this Agreement, and no consent to any departure by Borrower
from any provision of this Agreement, shall in any event be effective unless the
same shall be in writing and signed by a member of the Compensation Committee of
the Company, on behalf of the Company, and then such waiver or consent shall be
effective only in the specific instance and for the specific purpose for which
given.

     SECTION 17. Notices; Etc. All notices and other communications provided for
                 ------------
hereunder shall be in writing (including telecopier, telegraphic or cable
communication) and, mailed, telecopied, cabled or delivered:

     (a) if to Borrower, to him at 501 Elliott Avenue West, Suite 400, Seattle,
Washington 98119.

     (b) if to the Company, to it at 501 Elliott Avenue West, Suite 400,
Seattle, Washington 98119, Attention: Compensation Committee, cc: Secretary; or,
as to any such party, at such other address as shall be designated by such party
in a written notice to each other party complying as to delivery with the terms
of this Section. All such notices and communications shall, when mailed,
telecopied or telegraphed, be effective when deposited in the mails, or
telecopied, respectively, except that notices and communications to the Company
shall not be effective until received by the Company. Delivery by telecopier of
an executed counterpart of any amendment or waiver of any provision of this
Agreement to be executed and delivered hereunder shall be effective as delivery
of a manually executed counterpart thereof.

     SECTION 18. Execution in Counterparts. This Agreement may be executed in
                 -------------------------
any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original
and all of which taken together shall constitute one and the same agreement.
Delivery of an executed counterpart of a signature page to this Agreement by
telecopier shall be effective as delivery of a manually executed counterpart of
this Agreement.

     SECTION 19. Severability. Any provision of this Agreement which is
                 ------------
prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction,
be ineffective to the extent of such prohibition or unenforceability without
invalidating the remaining provisions hereof, and any such prohibition or
unenforceability in any jurisdiction shall not invalidate or render
unenforceable such provision in any other jurisdiction.

     SECTION 20. Governing Law; Entire Agreement. This Agreement shall be
                 -------------------------------
governed by, and construed in accordance with, the laws of the State of
Washington. This Agreement constitutes the entire understanding among Borrower
and the Company with respect to the subject matter hereof and supersede any
prior agreements, written or oral, with respect thereto.

     SECTION 21. Resignation and Removal of the Securities Intermediary. The
                 ------------------------------------------------------
Company may remove the Securities Intermediary upon 30 days' prior written
notice to Borrower and the Securities Intermediary. Upon any such removal of the
Securities Intermediary to act hereunder, the Company shall appoint a successor
Securities Intermediary, which successor shall be a securities intermediary

                                      - 8 -

<PAGE>

having a combined capital and surplus of at least $500,000,000. Notwithstanding
the foregoing, no resignation, removal or replacement of the securities
intermediary shall be effective until a successor Securities Intermediary has
been appointed and has agreed in a manner reasonably satisfactory to the Company
to act as Securities Intermediary hereunder.

     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed and delivered by its officer thereunto duly authorized as of the
date first above written.

BORROWER:                              CELL THERAPEUTICS, INC.

 /JAMES A. BIANCO/                     By:  /JAMES CANFIELD/
--------------------------------           ------------------------------------
James A. Bianco                            Name: James Canfield
                                           Title: Chief Administrative Officer

                                      - 9 -

<PAGE>

                                   Schedule I

255,381 shares of Cell Therapeutics, Inc. common stock held in account [omitted]
at Merrill Lynch, Pierce, Fenner & Smith Incorporated.

                                     - 10 -

<PAGE>

                                    EXHIBIT C

                                FORM OF MORTGAGE

WHEN RECORDED RETURN TO:

Name: _______________________

Address: ____________________

City, State, Zip ____________

                                    MORTGAGE

THE MORTGAGOR, ____________________________, mortgages to ______________________
to secure payment of the sum of ___________________, according to the terms of a
promissory note dated ___________, the following described real estate, situated
in the County of ____________, State of Washington:

================================================================================
-------------------------------------------------------------------------------;

which has the address of ___________________________.

The Mortgagor warrants that the said described premises are free from all
incumbrances [excepting: __________________________].

And the Mortgagor promises and agrees to pay before delinquency all taxes,
special assessments and other public charges levied, assessed or charged against
said described premises, and to keep all improvements on said described premises
insured against loss or damage by fire in a sum and for the period that the
Mortgagee requires for the benefit of the Mortgagee and to deliver all policies
and renewals to the Mortgagee.

In case the Mortgagor shall fail to pay any installment of principal or interest
secured hereby when due or to keep or perform any covenant or agreement
aforesaid, then the whole indebtedness hereby secured shall forthwith become due
and payable, at the election of the Mortgagee.

Tax Account Number:                  DATED:

MORTGAGOR

By: ____________________________    By: ____________________________
    Name:                               Name:
    Title:                              Title:

<PAGE>

STATE OF WASHINGTON        )
ss.
COUNTY OF ______________   )

On this ___ day of _________, _____, before me, the undersigned, a notary public
in and for the State of Washington, duly commissioned and sworn, personally
appeared ______________, known to me to be the individual(s) described in and
who executed the within instrument and acknowledged that they signed and sealed
the same as their free and voluntary act and deed, for the uses and purposes
herein mentioned.

____________________________________________
Notary Public

Printed Name: ______________________________

Notary Public in and for the State of Washington

Residing at ________________________________

My appointment expires _____________________

                                      - 2 -

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