(Qualified Institutional Buyer Certification Letter to be Used with

(Qualified Institutional Buyer Certification Letter to be Used with 144a Transactions) Gentlemen: We certify, to enable you to make offers and sales of securities pursuant to Rule 144A under the Securities Act of 1933 (the "Act"). that we are a qualified institutional buyer (QIB) in that we satisfy the requirements of one or more of paragraphs (i) through (v) hereof (please check all that apply). 0 (i) Entities. We are an entity referred to in sub-paragraphs (A) through (G) hereof and in the aggregate owned and invested on a discretionary basis, for our own account and the accounts of other persons, at least the amount of securities specified below (not less than $100 million), calculated as provided In Rule 144A, as of the date specified below. 0 (A) Corporation, etc. A corporation (other than a bank, savings and loan or similar institution referred to in (ii) below), partnership, Massachusetts or similar business trust, organization described in Section 501(c)(3) of the Int