X0306 4 2013-03-28 0 0000704532 NANOMETRICS INC NANO 0001296648 Coates Norman V C/O NANOMETRICS, INC. 1550 BUCKEYE DRIVE MILPITAS CA 95035 1 0 0 0 Common Stock 2013-03-28 4 S 0 12823 14.63 D 344831 I See footnote Common Stock 2013-04-01 4 S 0 8687 14.15 D 336144 I See footnote Common Stock 2111 D The price in Column 4 is a weighted average sale price. The prices actually received ranged from $14.42 to $14.98. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. Shares held of record by the Vincent J. Coates Separate Property Trust, U/D/T dated August 7, 1981, for which Norman Coates and Stella Coates act as co-trustees. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $14.06 to $14.34. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. /s/Ronald W. Kisling, Attorney-in-Fact 2013-04-01