Exhibit 99.1


             Semtech Files for Extension on Its First Quarter 10-Q


    CAMARILLO, Calif.--(BUSINESS WIRE)--June 9, 2006--Semtech
Corporation (NASDAQ:SMTC), a leading supplier of analog and
mixed-signal semiconductors, announced that it filed today a Form
12b-25 with the Securities and Exchange Commission (SEC) in lieu of
its Form 10-Q for the fiscal quarter ended April 30, 2006. This filing
extends the due date for the Form 10-Q to June 14, 2006. As previously
reported, the Company received a letter from the SEC on May 18, 2006
requesting certain information and documentation regarding stock
options granted since January 1, 1997. The Company has been
cooperating fully with the SEC and intends to continue to do so. In
light of the SEC inquiry and resulting internal review by the Company,
management was unable to complete the Form 10-Q before the prescribed
filing deadline.

    About Semtech

    Semtech Corporation is a leading supplier of analog and
mixed-signal semiconductors used in a wide range of computer,
industrial and communication applications.

    Forward-Looking and Cautionary Statements

    This release contains "forward-looking statements" within the
meaning of Section 27A of the Securities Act of 1933, as amended (the
"Securities Act"), and Section 21E of the Securities Exchange Act of
1934, as amended. Forward-looking statements are statements other than
historical information or statements of current condition and relate
to matters such as future financial performance, future operational
performance, the anticipated impact of specific items on future
earnings, and our plans, objectives and expectations. Some
forward-looking statements may be identified by use of terms such as
"expects," "anticipates," "intends," "estimates," "believes",
"projects", "should", "will", "plans" and similar words.
    Forward-looking statements involve known and unknown risks and
uncertainties that could cause actual results to differ materially
from those projected. Forward-looking statements should be considered
in conjunction with the cautionary statements contained in the "Risk
Factors" section and elsewhere in the Company's Annual Report on Form
10-K for the fiscal year ended January 29, 2006, in the Company's
other filings with the SEC, and in material incorporated therein by
reference. Forward-looking statements should not be regarded as
representations by the Company that its objectives or plans will be
achieved or that any of its operating expectations or financial
forecasts will be realized. The Company assumes no obligation to
update or revise any forward-looking statements, whether as a result
of new information, future events or otherwise.



    CONTACT: Semtech Corporation
             John Baumann, 805-480-2010