EX-21 4 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 California, Inc. | (California, USA)
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. | (Xiamen, P.R.C.)
Photronics UK, Ltd. | (United Kingdom)
PK, Ltd. (2) | (Republic of Korea)
PKLT Co., Ltd. | (Taiwan, R.O.C.)
Trianja Technologies, Inc. | (Texas, USA)

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 DNPJ

(2) | 99.75% owned by Photronics, Inc., and 0.25% owned by minority shareholders