July 13 (Reuters) - Dynacert Inc DYA.V
* Dynacert - certain major shareholders including directors have extended, increased formal strategic voluntary lock-up agreement to over 75 million shares
* Dynacert - Agreement stipulates shareholders shall not assign, deal in, pledge, sell, trade/ transfer shares/beneficial interest in them, on/before dec 31 Source text for Eikon: ID:nGNXOABOJa Further company coverage: DYA.V