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Penwest Pharmaceuticals Co

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EX-4
from SC 13D/A 13 pages February 5, 2010 via Hand Delivery and Electronic Mail (Investor@penwest.com) Corporate Secretary Penwest Pharmaceuticals Co. 2981 Route 22 Patterson, New York 12563 Re: Notice to Secretary of Intention to Nominate Persons for Election as Directors at the 2010 Annual Meeting of Shareholders of Penwest Pharmaceuticals Co
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EX-4.1
from DEFA14A 67 pages Rights Agreement Between Penwest Pharmaceuticals Co. and Mellon Investor Services LLC, as Rights Agent Dated March 11, 2009
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EX-4.1
from 8-K 67 pages Rights Agreement Between Penwest Pharmaceuticals Co. and Mellon Investor Services LLC, as Rights Agent Dated March 11, 2009
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EX-4.6
from S-3 48 pages Form of Subordinated Indenture Penwest Pharmaceuticals Co., Issuer and [ ], Trustee Indenture Dated as of [ ], 200[_] Subordinated Debt Securities
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EX-4.5
from S-3 49 pages Form of Senior Indenture Penwest Pharmaceuticals Co., Issuer and [ ], Trustee Indenture Dated as of [ ], 200[_] Senior Debt Securities
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EX-4.2
from S-8 14 pages Amended and Restated Bylaws of Penwest Pharmaceuticals Co
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EX-4.1
from 8-K 4 pages Amendment No. 3 to Rights Agreement
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EX-4.1
from 8-K 4 pages Amendment No. 2 to Rights Agreement
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EX-4.1
from 8-K 4 pages Amendment to Rights Agreement
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EX-4.1
from 8-K ~10 pages Form of Additional Investment Right
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EX-4.1
from 8-K ~10 pages Form of Additional Investment Right
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EX-4.3
from S-3/A 1 page Specimen Stock Certificate
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EX-4.2
from S-3/A ~20 pages Amended and Restated By-Laws
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EX-4.1
from S-3/A ~5 pages Amended and Restated Articles of Incorporation
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EX-4.2
from 10-12G/A ~50 pages Exhibit 4.2 Rights Agreement Dated 7/1/98
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EX-4.1
from S-1/A 1 page Specimen Certificate for Common Stock
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