Exhibit 10 (b)
ALPHA INDUSTRIES, INC.
EMPLOYEE STOCK PURCHASE PLAN
The Alpha Industries, Inc. Employee Stock Purchase Plan (hereinafter the "Plan") is intended to provide a
method whereby employees of Alpha Industries, Inc. (the "Company") and participating subsidiaries will have an
opportunity to acquire a proprietary interest in the Company through the purchase of shares of the Company's
Common Stock. It is the intention of the Company to have the Plan qualify as an "employee stock purchase plan"
under Section 423 of the Internal Revenue Code of 1986, as amended (the "Code"). The provisions of the Plan
shall, accordingly, be construed so as to extend and limit participation in a manner consistent with the
requirements of that Section of the Code.
2. Eligible Employees.
All employees of the Company or any of its participating subsidiaries who have completed six months of
employment with the Company or any of its subsidiaries on or before the first day of the applicable Offering
Period (as defined below) shall be eligible to receive options under this Plan to purchase the Company's
Common Stock. In no event may an employee be granted an option if such employee, immediately after the
option is granted, owns stock possessing five (5%) percent or more of the total combined voting power or value
of all classes of stock of the Company or of its parent corporation or subsidiary corporation as the terms "parent
corporation" and "subsidiary corporation" are defined in Section 425(e) and (f) of the Code. For purposes of
determining stock ownership under this paragraph, the rules of Section 425(d) of the Code shall apply and stock
which the employee may purchase under outstanding options shall be treated as stock owned by the employee.
For the purpose of this Plan, the term employee shall not include an employee whose customary employment is
less than twenty (20) hours per week or is for not more than five (5) months in any calendar year.
3. Stock Subject to the Plan.