EX-21 9 ef20012464_ex21.htm EXHIBIT 21

Exhibit 21
SUBSIDIARIES OF PHOTRONICS, INC.

| State or Jurisdiction of Incorporation or Organization
Align-Rite International, Ltd. | (United Kingdom)
Photronics (Wales) Limited | (United Kingdom)
Photronics Idaho, Inc. | (Idaho, USA)
Photronics Texas Allen, Inc. | (Texas, USA)
Photronics MZD, GmbH | (Germany)
Photronics Advanced Mask Corporation | (Taiwan, R.O.C.)
Photronics DNP Mask Corporation (1) | (Taiwan, R.O.C.)
PDMC Shanghai, Ltd. | (Shanghai, P.R.C.)
Photronics Singapore Pte, Ltd. | (Singapore)
Xiamen American Japan Photronics Mask Co., Ltd. (1) | (Xiamen, P.R.C.)
Photronics UK, Ltd. | (United Kingdom)
Photronics Mask Corporation Hefei (2) | (Hefei, P.R.C.)
Photronics Korea, Ltd. | (Republic of Korea)
Photronics Mask Corporation Hefei (2) | (Hefei, P.R.C.)
Taichung Photronics Photomask Co., Ltd. | (Taiwan, R.O.C.)

Note: Entities directly owned by subsidiaries of Photronics, Inc. are indented and listed below their immediate parent. Ownership is 100% unless otherwise indicated.

(1) |  | 50.01% owned by Photronics, Inc. and 49.99% owned by Dai Nippon Printing Co., Ltd.
(2) |  | 64.00% owned by Photronics UK, Ltd. and 36.00% owned by Photronics Cheonan Co., Ltd.