Common use of Extension of Term of Lease Clause in Contracts

Extension of Term of Lease. Landlord and Tenant acknowledge that Tenant’s lease of the Existing Premises is scheduled to expire on June 30, 2011 (the “Original Expiration Date”), pursuant to the terms of the Lease. Notwithstanding the foregoing or anything to the contrary in the Lease, Landlord and Tenant hereby agree to extend the Term for a period of three (3) years and nine (9) months, commencing July 1, 2011 and continuing through 2. BRITANNIA POINTE GRAND BUSINESS PARK [Portola Pharmaceuticals, Inc.] [First Amendment] and including March 31, 2015 (the “New Expiration Date”), unless sooner terminated as provided in the Lease, as hereby amended. Notwithstanding the Original Expiration Date, Landlord and Tenant hereby agree to revise the rent paid by Tenant with respect to the Existing Premises as of April 1, 2010, as set forth in Section 4 of this First Amendment, below. Therefore, for purposes of this First Amendment, the period of time commencing on April 1, 2010, and ending on the New Expiration Date shall be referred to herein as the “Extended Term.” The term of Tenant’s lease of the Expansion Premises (the “Expansion Term”) shall commence, as set forth in Section 2 above, on the Expansion Commencement Date and shall expire coterminously with the term of Tenant’s lease of the Existing Premises on the New Expiration Date, unless sooner terminated as provided in the Lease, as hereby amended.

Extension of Term of Lease. Landlord and Tenant acknowledge that Tenant’s lease The term of the Existing Premises Lease, which is currently scheduled to expire on June 30March 31, 2011 2002 (the “"Original Expiration Date”"), pursuant to the terms of the Lease. Notwithstanding the foregoing or anything to the contrary in the Lease, Landlord and Tenant is hereby agree to extend the Term extended for a an additional period of three (3) years months (the "Extended Term") on the terms and nine (9) months, commencing July conditions set forth in this Amendment. The Extended Term shall commence on April 1, 2011 and continuing through 2. BRITANNIA POINTE GRAND BUSINESS PARK [Portola Pharmaceuticals, Inc.] [First Amendment] and including March 31, 2015 2002 (the “New "Extension Commencement Date"), and shall expire on June 30, 2002 (the "Extended Expiration Date”"), unless the Lease, as amended hereby, is sooner terminated in accordance with its terms. Notwithstanding the foregoing, Tenant shall continue to have the Option granted to Tenant pursuant to Paragraph 61 of the Office Lease (as provided set forth in the Rider) to extend the term of the Lease, as extended hereby, for a period of five (5) years; provided, however, notwithstanding anything to the contrary contained in Paragraph 61 of the Office Lease or elsewhere in the Lease, as hereby amended. Notwithstanding amended hereby, the following terms shall apply with respect to the Option: (i) the Option shall apply only with respect to the Original Premises (and not with respect to any portion of the "Expansion Premises," as that term is defined in Section 3, below, it being understood that, whether or not the term of the Lease with respect to the Original Premises is further extended in accordance with Paragraph 61 of the Office Lease, as amended by this Section 2, each "Expansion Term," as that term is defined in Section 4, below, nevertheless shall expire on June 30, 2002, unless the Lease, as amended hereby, is sooner terminated in accordance with its terms), and, accordingly, all references in Paragraph 61 of the Office Lease to the "Premises" shall be deemed to refer to the "Original Premises;" (ii) the "Option Notice," as that term is defined in Paragraph 61 of the Office Lease, must be delivered by Tenant to Landlord, if at all, not later than June 30, 2001 (i.e., the date which is nine (9) months prior to the Original Expiration Date, Landlord and Tenant hereby agree to revise the rent paid by Tenant with respect to the Existing Premises as of April 1, 2010, ); (iii) except as set forth in Section 4 the immediately preceding item (ii) of this First AmendmentSection 2, below. Therefore, for purposes all references in Paragraph 61 of this First Amendment, the period of time commencing on April 1, 2010, and ending on Office Lease to the New Expiration Date "initial 10-year Term" or the "initial term" shall be referred deemed to herein refer to the "initial term of the Lease, as extended by the “Extended Term.” The term of Tenant’s lease ;" and (iv) Paragraph 61(b) of the Expansion Premises Office Lease (the “Expansion Term”) shall commence, as set forth in Section 2 above, on the Expansion Commencement Date Rider) is hereby deleted in its entirety and shall expire coterminously replaced with the term of Tenant’s lease following: The Annual Basic Rent payable for the Option Term shall be equal to ninety-five percent (95%) of the Existing Premises on the New Expiration Date, unless sooner terminated as provided in the Lease, as hereby amended"Prevailing Market Rent."

Extension of Term of Lease. Landlord and Tenant acknowledge that Tenant’s lease The term of the Existing Lease with respect to the Original Premises and the Second Expansion Space only, which is currently scheduled to expire on June 30, 2011 2002 (the “"Original Extended Expiration Date”"), pursuant to the terms of the Lease. Notwithstanding the foregoing or anything to the contrary in the Lease, Landlord and Tenant is hereby agree to extend the Term extended for a an additional period of three (3) years months (the "Second Extended Term") on the terms and nine (9) months, commencing conditions set forth in this Amendment. The Second Extended Term shall commence on July 1, 2011 and continuing through 2. BRITANNIA POINTE GRAND BUSINESS PARK [Portola Pharmaceuticals, Inc.] [First Amendment] and including March 31, 2015 2002 (the “New "Second Extension Commencement Date"), and shall expire on September 30, 2002 (the "Second Extended Expiration Date”"), unless the Lease, as amended hereby, is sooner terminated in accordance with its terms. Notwithstanding the foregoing, the term of the Lease with respect to the First Expansion Space only shall expire on the Original Extended Expiration Date. Accordingly, effective as provided of the Second Extension Commencement Date, the "Premises," as that term is used in the Lease, as amended hereby, shall be deemed to exclude the First Expansion Space. Tenant hereby amended. Notwithstanding agrees to vacate the First Expansion Space and surrender and deliver exclusive possession of the First Expansion Space to Landlord on or before the Original Extended Expiration Date in accordance with the provisions of the Lease. In the event that Tenant retains possession of the First Expansion Space or any part thereof after the Original Extended Expiration Date, Landlord and Tenant hereby agree to revise then the rent paid by Tenant provisions of Paragraph 11 of the Office Lease shall apply with respect to the Existing Premises as of April 1, 2010, as set forth in Section 4 of this First Amendment, below. Therefore, for purposes of this First Amendment, the period of time commencing on April 1, 2010, and ending on the New Expiration Date shall be referred to herein as the “Extended TermExpansion Space.” The term of Tenant’s lease of the Expansion Premises (the “Expansion Term”) shall commence, as set forth in Section 2 above, on the Expansion Commencement Date and shall expire coterminously with the term of Tenant’s lease of the Existing Premises on the New Expiration Date, unless sooner terminated as provided in the Lease, as hereby amended.

Extension of Term of Lease. Landlord and Tenant acknowledge that Tenant’s lease of the Existing Premises is scheduled to expire on June 30August 14, 2011 2013 (the “Original Expiration Date”), pursuant to the terms of the Lease. Notwithstanding the foregoing or anything to the contrary in the Lease, Landlord and Tenant hereby agree to extend the Term for a period of three (3) years and nine (9) monthsto June 30, commencing July 1, 2011 and continuing through 2. BRITANNIA POINTE GRAND BUSINESS PARK [Portola Pharmaceuticals, Inc.] [First Amendment] and including March 31, 2015 2018 (the “New Expiration Date”), unless sooner terminated as provided in the Lease, as hereby amended. Notwithstanding the Original Expiration Date, Landlord and Tenant hereby agree to revise the rent paid by Tenant with respect to the Existing Premises effective as of April July 1, 20102011, as set forth in Section 4 of this First Amendment, below. Therefore, for purposes of this First Amendment, the period of time commencing on April July 1, 20102011, and ending on the New Expiration Date shall be referred to herein as the “Extended Term.” The term of Tenant’s lease of the Expansion Premises (the “Expansion Term”) shall commence, as set forth in Section 2 above, on the Expansion Commencement Date and shall expire coterminously with the term of Tenant’s lease of the Existing Premises on the New Expiration Date, unless sooner terminated as provided in the Lease, as hereby amended.