Document:

CELSION      -------------------------------------------------------------------
             CELSION CORPORATION             T 410.290.5390  www.celsion.com
             10220-I, Old Columbia Road      T 800.262.0394  celsion@celsion.com
             Columbia MD 21046-1785          F 410.290.5394

February 1, 2003

Dr. Alan J. Fenn
4 Sherman Bridge Rd
Wayland, MA 01778

RE: Compensation for Consultant work in the Area of Intellectual Properties (IP)

Dear Dr. Fenn:

Celsion Corporation is pleased to issue 50,000 shares of its common stock to
your for your efforts in several new IP filings assigned to Celsion Corporation.

Sincerely,

/s/Augustine Y. Cheung

Augustine Y. Cheung
CEO and PresidentCELSION      -------------------------------------------------------------------
             CELSION CORPORATION             T 410.290.5390  www.celsion.com
             10220-I, Old Columbia Road      T 800.262.0394  celsion@celsion.com
             Columbia MD 21046-1785          F 410.290.5394

December 1, 2002

Dr. Kaijun Wu

President and Professor of Urology
First affiliated Hospital Guangzhou Medical College
No.1 Kang Da Road
Guangzhou, China

Dear Dr. Wu:

Further our conversation, I am happy to inform you that Celsion Corporation will
retain your service as medical consultant for 2003. A retainer of US$1,000 per
month will be offered as compensation. It is my understanding that you will be
willing to receive the compensation in form of Celsion Corporation restricted
common stock in lieu of cash. Your stipend will be paid quarterly and the number
of shares to be issued to you will be calculated using the closing stock price
of each calendar quarter.

Thank you for your assistance,

/s/Augustine Y. Cheung
Augustine Y. Cheung
President & CEOWell Name: 

Jennings Federal 1

Jennings B Fed 002 SWD 

Shearn Federal 3

ASSIGNMENT OF OIL, GAS AND MINERAL LEASES

CONVEYANCE AND BILL OF SALE

STATE OF NEW MEXICO       )

               
                                     ) KNOW ALL MEN BY THESE PRESENTS THAT:

COUNTY OF LEA                     
)

       THIS ASSIGNMENT, CONVEYANCE AND BILL OF SALE is from PXP GULF COAST INC., a Delaware corporation whose address is 700 Milam Street, Suite 3100, Houston, Texas 77002 (hereinafter called "Assignor"), to

	 	
COPY OF ORIGINAL

	 	
CONVEYANCE DOCUMENT

	 	
FOR SALE 191C

	
(hereinafter called "Assignee").
	
MARCH 10, 2004

       Assignor, for Ten Dollars ($10.00) and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, subject to all of the conditions and covenants set forth below, does hereby TRANSFER, ASSIGN and CONVEY unto Assignee, effective as of 7:00 o'clock a.m. Central Time, on April 1, 2004 (said hour and day being hereinafter called the "Effective Time"), the following properties:

       (a) All of Assignor's right, title and interest in and to the Oil, Gas-and Mineral Leases, properties, interests and rights appertaining thereto, including, without limitation, all leasehold working interests and overriding royalty interests, and which are set forth and described in Exhibit "A," attached hereto and hereby made a part hereof for all purposes, together with any and all amendments thereof or ratifications thereto;

       (b)       All of Assignor's right, title and interest in, to and under or derived from, all of the presently existing and valid communitization, unitization and pooling agreements and the properties
covered and the units created thereby (including  all units formed under orders, regulations, rules or other official acts of any federal, state or other governmental agency having jurisdiction) which relate to any of the Oil, Gas and Mineral Leases and wells described in Exhibit "A", attached hereto and made a part hereof, or to the production of oil, gas and other hydrocarbons therefrom or attributable thereto;

       (c)       All of Assignor's right, title and interest in, to and under, or derived from, all of the presently existing and valid oil, casinghead gas and gas sales, purchase, exchange and processing contracts and agreements, operating agreements and farmouts, farmins, and all other contracts, agreements, and instruments which relate to the Oil, Gas and Mineral Leases described in Exhibit "A", or to the production of oil, gas and other hydrocarbons therefrom or attributable thereto; and

       (d)       All of Assignor's right, title and interest in and to all personal property, improvements, easements, permits, licenses, servitudes and rights-of-way situated upon or used in connection with the exploration, development or operation of the Oil, Gas and Mineral Leases described in Exhibit "A", the wells located thereon, and the production, treating, storing, transportation of oil, gas and other hydrocarbons therefrom or attributable thereto, including, but not by way of limitation, well equipment, tanks, casing, tubing, subsurface equipment, boilers, fixtures, machinery, salt water disposal wells and other equipment, pipelines, power lines, telephone and telegraph lines, roads and other appurtenances (all such personal property, improvements, easements, permits, licenses, servitude and rights-of-way being herein called the "Assigned Appurtenances").

       Assignor's right, title and interest in the Oil, Gas and Mineral Leases, properties, rights, interests, contracts, agreements and Assigned Appurtenances specified in the foregoing clauses (a) through (d) are collectively referred to herein as the "Assigned Properties".

       Assignee, in consideration of the mutual benefits to be derived hereunder, and by its acceptance hereof, understands and agrees it shall be subject to the following:

       (1)     The terms, provisions, covenants and royalties set forth in the Oil, Gas and Mineral Leases, pooling, communitization and unitization agreements or orders including and affecting the Oil, Gas and Mineral Leases;

       (2)     The terms and conditions of all existing valid orders, rules and regulations and ordinances of federal, state and other governmental agencies;

       (3)     The terms and conditions of all valid, subsisting and outstanding overriding royalty interests, restrictions, exceptions, reservations, burdens, encumbrances, conditions, limitations, interests, instruments, agreements and other matters, if any, which are of record in the state and county or parish identified in Exhibit "A" and which burden or affect the Assigned Properties as of the Effective Time hereof;

       (4)     The terms and conditions contained in the joint operating agreements and unit operating agreements, if any, which cover and affect any of the Assigned Properties;

       (5)     All taxes affecting or relating to the Assigned Properties, including but not limited to, excise taxes, ad valorem taxes, production taxes and severance taxes (exclusive of federal and state income taxes imposed upon Assignor) accruing to the Assigned Properties after the Effective Time. As between Assignor and Assignee, Assignor shall be and remain liable for all taxes affecting or relating to the Assigned Properties prior to the Effective Time;

       (6)     Oil remaining in the tanks above the pipeline connection on the Effective Date hereof shall be the property of Assignor. All gas produced and saved up to such Effective Date shall belong to Assignor. All gas produced and saved after such Effective Date shall belong to Assignee.

       (7)     After the Effective Time of this Assignment, Assignee shall be responsible to plug and abandon the wells conveyed hereby and any future wells it may hereafter drill on the Assigned Properties in accordance with the rules and regulations of the state of New Mexico, and, to the extent required under the Oil, Gas and Mineral Leases, shall restore said premises within a reasonable length of time after the date production, if any, permanently ceases from said wells. Assignee agrees to indemnify and hold Assignor harmless from any and all surface or subsurface restoration, well abandonment or other similar obligations pertinent to the well(s) assigned herein which may arise out of any oil and gas lease, contract, permit or other agreement or laws or regulation affecting the lands upon which said wells are located and shall be responsible for any clean-up, restoration or other. action with respect to any governmental request or landowner obligations as to all surface usage associated with the operations of the Assigned Properties; and

       (8)       All recording, transfer or filing fees, or any other fee imposed by any local county, parish, state or federal governmental agency due to the recording or transfer of the Assigned Properties pursuant to this instrument.

       Assignee agrees to indemnify, defend and to hold Assignor and its agents and representatives harmless for any claims, losses, demands or expenses arising out of Assignee's failure to comply with items 1 through 7 above.

       The terms, covenants and conditions hereof shall be binding upon and shall inure to the benefit of Assignor and Assignee, their successors and assigns, and shall be covenants running with the lands and lease acreage herein assigned and with each transfer or assignment of said lease acreage.

       This instrument shall be binding upon all parties who execute same, their successors and assigns, whether or not it is executed by all parties named herein. This instrument maybe executed in identical counterparts, and each counterpart shall be deemed an original. Each counterpart shall be binding upon the executory party thereto, effective as to its interest in the properties described herein as fully as if all parties had executed one instrument.

       Assignor shall promptly deliver to Assignee such of the lease files pertaining to the Assigned Properties in its possession or under its control as Assignee may designate.

       ASSIGNOR HEREBY TRANSFERS AND ASSIGNEE HEREBY ACCEPTS THE ASSETS AND OTHER PERSONAL PROPERTY CONSTITUTING A PART OF THE ASSETS "AS IS, WHERE IS" AND SUBJECT TO ALL FAULTS, AND WITHOUT ANY WARRANTY OF ANY KIND, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED OR EXPRESS WARRANTY OF MERCHANTABILITY, ANYIMPLIED OR EXPRESS WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, ANY IMPLIED OR EXPRESS WARRANTY AS TO QUALITY, DESCRIPTION, VALUE, PHYSICAL OR ENVIRONMENTAL CONDITION (BOTH SURFACE AND SUBSURFACE, IF APPLICABLE), AND ANY IMPLIED OR EXPRESSED WARRANTY OF CONFORMITY TO MODELS OR SAMPLES OF MATERIALS. ASSIGNEE HAS INSPECTED, OR BEEN GIVEN THE OPPORTUNITY TO INSPECT, THE ASSIGNED PROPERTY AND IS SATISFIED AS TO THE PHYSICAL AND ENVIRONMENTAL CONDITION AND ACCEPTS ALL OF THE SAME IN THEIR "AS IS, WHERE IS" CONDITION AND STATE OF REPAIR AND WITH ALL FAULTS AND DEFECTS. IN ADDITION, ASSIGNOR MAKES NO REPRESENTATION, COVENANT OR WARRANTY, EXPRESS, IMPLIED OR STATUTORY, AS TO THE ACCURACY OR COMPLETENESS OF ANY DATA DELIVERED TO THE ASSIGNEE WITH RESPECT TOTHE INTERESTS, OR CONCERNING THE QUALITY OR QUANTITY OF HYDROCARBON RESERVES, IF ANY, ATTRIBUTABLE TO THE INTERESTS, OR THE ABILITY OF THE INTERESTS TO PRODUCE HYDROCARBONS, OR THE PRICES WHICH ASSIGNEE IS OR WILL BE ENTITLED TO RECEIVE FOR ANY SUCH HYDROCARBONS.

       IN WITNESS WHEREOF, Assignor and Assignee have caused this instrument to be executed on the date of the acknowledgment annexed hereto, but effective for all purposes herein as of the Effective Time.

	 	
ASSIGNOR:

	 	
PXP GULF COAST INC.

	 	
By:/s/ R. W. Pendleton             

	 	
Name: R. W. Pendleton

	 	
Title: Vice President, Central Business Unit

STATE OF TEXAS

COUNTY OF HARRIS

       Before me, the undersigned, a Notary Public, on this day personally appeared R. W. PENDLETON, known to me to be the person and officer whose name is subscribed to the foregoing instrument and acknowledged to me that the same was the act of the said PXP GULF COAST INC., a Delaware corporation, and that he has executed the same as the act of such corporation for the purposes and consideration therein expressed, and in the capacity therein stated.

       GIVEN UNDER MY HAND AND SEAL OF OFFICE this ____ day of _______________, 2004.

                     (seal)

                                                                                    _______________________________________

                                                                                                       Notary Public, State of Texas

 

	 	
ASSIGNEE:

	 	
By:______________________________

	 	
Name:

	 	
Title:

STATE OF TEXAS

COUNTY OF HARRIS

       Before me, the undersigned, a Notary Public, on this day personally appeared ___________________, known to me to be the person whose name is subscribed to the foregoing instrument, and acknowledged to me that he/she executed the same for the purposes and consideration therein expressed, and in the capacity therein stated.

       GIVEN UNDER MY HAND AND SEAL OF OFFICE this ____ day of _______________, 2004.

                     (seal)

                                                                                    _______________________________________

                                                                                                       Notary Public, State of _________

EXHIBIT "A"

LEA COUNTY, NEW MEXICO

 

	
LESSOR
	
LESSEE
	
LEASE DATE
	
TWP 
	
RANGE
	
SEC
	
LEGAL DESCRIPTION

	
Jennings Federal 1

Jennings B Fed 002 SWD

Shearn Federal 3
	 	 	 	 	 	 
	
USA NM-063530
	
Michael C. Shearn
	
2/1/60
	
19S
	
32E
	
11

14

15
	
E/2E/2

E/2 NW/4 NE/4 SW/4

W/2 W/2

	
USA NM-025497
	
Howard R. Jennings
	
9/1/56
	
19S
	
32E
	
14

15
	
W/2 W/2, W/2 SE/4 NE/4

E/2 W/2, E/2

	
NM-55749 (ROW)
	
Sun Exploration & Production Company
	
3/5/84
	
19S
	
32E
	
15
	
NW/4 NW/4, S/2 NW/4 E/2, SW/4

 END OF EXHIBIT "A"

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