Certain Common Stock of OXIDE Corporation are subject to a Lock-Up Agreement Ending on 5-JUL-2021. These Common Stock will be under lockup for 91 days starting from 5-APR-2021 to 5-JUL-2021. Details: In connection with this offer and the sale by underwriter's purchase transaction, Yasunori Furukawa, the seller and the lender, Sadao Matsumura, the seller, CoorsTek KK NTT Advanced Technology Corporation, Hitachi High-Tech Co., Ltd., KLA-TENCOR (SINGAPORE) PTE, LTD, KT VENTURE GROUP II, L.A. L. C. , Nikon Co., Ltd., Laser Tech Co., Ltd., Yamanashi Chuo Bank, Ltd., Naito House Co., Ltd., Shimadzu Manufacturing Co., Ltd., Chosun Fireproof Co., Ltd., Nomura R & A No. 4 Investment Business Limited Liability Association, Masayuki Yamamoto, Akio Miyamoto , Hitachi High-Tech Nexus Co., Ltd., Bunichi Hara, Atsushi Naito, Noriyoshi Harashima, Kajuro Tanaka, Yasuyuki Sakata, Shunji Takekawa, Fujio Kawanishi, Shigeyuki Kimura, Kintomi Shimizu, Junji Hirohashi, Osamu Jinguji, Unification Hamashima, Katsu Shimada, Nakanome Shinichi, Kiyomi Shirakura, Kazuo Fujiura, Mercuria Investment Co., Ltd., Hisako Tanaka, Chuzo Harashima, Koichi Takeuchi, Makoto Matsukura, Hiroyoshi Yamazaki, Akemi Kitamura, Atsushi Chida, Hiroyuki Ishibashi, Etsuko Tonomura, Seizo Komatsu, Mitsuyoshi Sakairi, Hiroshi Motegi, Takeshi Tako, Hiroshi Fukube, Tadatoshi Yamamoto, Nao Kurimura, Toshiaki Sasa, Haruo Tanabe, Hideki Hatano, Naoya Oka, Takatomo Sasaki, Tsutomu Sawada, Kazuhiro Sekine, Kazuya Terabe, Reiko Hiraide, Takunori Equality, Wada Yoshio, Jisaburo Ushizawa, Takahiro Kojima, Masae Koshiishi, Michiko Shindo, Yasutoshi Takada, Yasuhiro Tomihari, Yu Nakamura and Masayuki Hoshi, and Seiji Uchida, Kengo Ito, Hiroshi Anzai, Shigeo Kubota and Tomio Oka , Junichi Osako, Mitsuaki Matsuka, Masahiro Sasaura, Michi Natori, Satoshi Makio, Toru Mio, Yoshito Kosaka, Hideo Kawabe, Kenya Yamashita, Kisuke Sakuma, Shinichi Imai, Takeshi Hayashi and Toshio Yamamura During the period from the conclusion of the principal underwriting contract to July 3, 2021, which is the 90th day after the listing (start of trading) date (including the day), the Company's common stock without the prior written consent of the lead managing underwriter. (However, we have agreed not to sell the Company's common stock for sale by the underwriter's purchase transaction and for sale by over-allotment, etc.). In addition, Yamanishi Chugin Management Consulting Co., Ltd., which is the seller, NTT Finance Co., Ltd., which is a shareholder of the Company, T Hands-on No. 1 Investment Business Limited Liability Association, Resona Capital No. 4 Investment Business Association, Mizuho Capital Co., Ltd., and Yamanashi New Business The Supporting Investment Business Limited Liability Partner will give the lead managing underwriter the lead managing underwriter during the period from the date of conclusion of the principal underwriting contract to July 3, 2021, which is the 90th day after the listing (starting of trading) date (including the day). Without the prior written consent of the Company , the sale of the Company's common stock, etc. (However, the sale by the underwriter's purchase transaction and the sale price thereof are 1.5 times or more of the issue price in the "1st Offering Guidelines", and the lead manager We have agreed not to sell (excluding sales through the company). In addition, the Company will inform the lead managing underwriter in advance of the lead managing underwriter during the period from the conclusion of the principal underwriting contract to October 1, 2021, which is the 180th day after the listing (trading start) date (including the day). Issuance of Company common stock, issuance of securities converted or exchanged for Company common stock, or issuance of securities granted the right to acquire or receive Company common stock, etc. without written consent (however, this offer) , Share split, Issuance of stock acquisition rights as a stock option, and sale by over-allotment, a third-party allotment of shares to the lead managing underwriter, which was resolved at the Board of Directors of the Company held on March 1, 2021. Etc.) have been agreed not to be carried out.