EX-21 15 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, B.V. | (Netherlands)
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.)
Photronics Switzerland, S.a.r.L | (Switzerland)
Photronics Singapore Pte, Ltd. | (Singapore)
Photronics UK, Ltd. | (United Kingdom)
PK, Ltd. (2) | (Korea)
PKLT | (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) | 79.98% owned by Photronics, Inc., and 19.71% owned by Photronics Singapore Pte Ltd.