Certain Shares of Signpost Corporation are subject to a Lock-Up Agreement Ending on 18-FEB-2018. These Shares will be under lockup for 90 days starting from 20-NOV-2017 to 18-FEB-2018. Details: The sellers Yasushi Kambara, Yasutaka Nishijima, Yusuke Okui, Ryosuke Ariga and Kazuhiko Hasunuma, company officers Tetsuhiro Kasagi and Yuichi Nishijima, and company shareholder Michishirube Inc., made an agreement with the lead manager that no sale of company shares shall be conducted without a prior written consent from the lead manager, during the 90 days period which starts on the underwriting contract signing date, and ends on February 18, 2018.