Abraxis BioScience (ABII)

ARTICLE XVIII

Certificates/Waivers

18.1 Certificates. Either party shall, without charge, at any time and from time to time hereafter, within ten (10) business days after written request of the other, certify by written instrument duly executed and acknowledged to any mortgagee or purchaser, or proposed mortgagee or proposed purchaser, or any other person specified in such request: (a) as to whether this Lease has been supplemented or amended, and if so, the substance and manner of such supplement or amendment; (b) as to the validity, force and effect of this Lease, in accordance with its terms as then provided; (c) as to the existence of any default thereunder; (d) as to the existence of any offsets, counterclaims or defenses thereto on the part of such other party; (e) as to the commencement and expiration dates of the term of this Lease; and (f) as to any other matters as may reasonably be so requested. Any such certificate may be relied upon by the party requesting it and any other person to whom the same may be exhibited or delivered and the contents of such certificate shall be binding on the party executing the same.

18.2 LESSOR Waiver of Liens. LESSOR hereby expressly waives any landlord’s lien, whether contractual or statutory, to any of LESSEE’s Property. Additionally, from time to time, and in any event within thirty (30) days following a written request by LESSEE, LESSOR shall, unless LESSEE is then in default hereunder, execute and return to LESSEE a written waiver (on any form reasonably required) of LESSOR’s lien rights under applicable law with respect to any of LESSEE’s Property.

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ARTICLE XVIII

Certificates/Waivers

18.1 Certificates. Either party shall, without charge, at any time and from time to time hereafter, within ten (10) business days after written request of the other, certify by written instrument duly executed and acknowledged to any mortgagee or purchaser, or proposed mortgagee or proposed purchaser, or any other person specified in such request: (a) as to whether this Lease has been supplemented or amended, and if so, the substance and manner of such supplement or amendment; (b) as to the validity, force and effect of this Lease, in accordance with its terms as then provided; (c) as to the existence of any default thereunder; (d) as to the existence of any offsets, counterclaims or defenses thereto on the part of such other party; (e) as to the commencement and expiration dates of the term of this Lease; and (f) as to any other matters as may reasonably be so requested. Any such certificate may be relied upon by the party requesting it and any other person to whom the same may be exhibited or delivered and the contents of such certificate shall be binding on the party executing the same.

18.2 LESSOR Waiver of Liens. LESSOR hereby expressly waives any landlord’s lien, whether contractual or statutory, to any of LESSEE’s Property. Additionally, from time to time, and in any event within thirty (30) days following a written request by LESSEE, LESSOR shall, unless LESSEE is then in default hereunder, execute and return to LESSEE a written waiver (on any form reasonably required) of LESSOR’s lien rights under applicable law with respect to any of LESSEE’s Property.

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ARTICLE XVIII

Certificates/Waivers

18.1 Certificates. Either party shall, without charge, at any time and from time to time hereafter, within ten (10) business days after written request of the other, certify by written instrument duly executed and acknowledged to any mortgagee or purchaser, or proposed mortgagee or proposed purchaser, or any other person specified in such request: (a) as to whether this Lease has been supplemented or amended, and if so, the substance and manner of such supplement or amendment; (b) as to the validity, force and effect of this Lease, in accordance with its terms as then provided; (c) as to the existence of any default thereunder; (d) as to the

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existence of any offsets, counterclaims or defenses thereto on the part of such other party; (e) as to the commencement and expiration dates of the term of this Lease; and (f) as to any other matters as may reasonably be so requested. Any such certificate may be relied upon by the party requesting it and any other person to whom the same may be exhibited or delivered and the contents of such certificate shall be binding on the party executing the same.

18.2 LESSOR Waiver of Liens. LESSOR hereby expressly waives any landlord’s lien, whether contractual or statutory, to any of LESSEE’s Property. Additionally, from time to time, and in any event within thirty (30) days following a written request by LESSEE, LESSOR shall, unless LESSEE is then in default hereunder, execute and return to LESSEE a written waiver (on any form reasonably required) of LESSOR’s lien rights under applicable law with respect to any of LESSEE’s Property.

ARTICLE XVIII

Certificates/Waivers

18.1 Certificates. Either party shall, without charge, at any time and from time to time hereafter, within ten (10) business days after written request of the other, certify by written instrument duly executed and acknowledged to any mortgagee or purchaser, or proposed mortgagee or proposed purchaser, or any other person specified in such request: (a) as to whether this Lease has been supplemented or amended, and if so, the substance and manner of such supplement or amendment; (b) as to the validity, force and effect of this Lease, in accordance with its terms as then provided; (c) as to the existence of any default thereunder; (d) as to the existence of any offsets, counterclaims or defenses thereto on the part of such other party; (e) as to the commencement and expiration dates of the term of this Lease; and (f) as to any other matters as may reasonably be so requested. Any such certificate may be relied upon by the party requesting it and any other person to whom the same may be exhibited or delivered and the contents of such certificate shall be binding on the party executing the same.

18.2 LESSOR Waiver of Liens. LESSOR hereby expressly waives any landlord’s lien, whether contractual or statutory, to any of LESSEE’s Property. Additionally, from time to time, and in any event within thirty (30) days following a written request by LESSEE, LESSOR shall, unless LESSEE is then in default hereunder, execute and return to LESSEE a written waiver (on any form reasonably required) of LESSOR’s lien rights under applicable law with respect to any of LESSEE’s Property.