Certain Common Shares of Moura Dubeux Engenharia S.A. are subject to a Lock-Up Agreement Ending on 9-AUG-2020. These Common Shares will be under lockup for 180 days starting from 11-FEB-2020 to 9-AUG-2020. Details: The Directors will be bound by the Offer Coordinators and Placement Agents 180 days from the date of Disclosure of the Start Announcement, not to make, directly or indirectly, any of the following operations with with respect to any Securities Subject to Lock-up, subject to certain exceptions: subject to certain exceptions: (i) offer, sell, issue, contract the sale, commit or otherwise dispose of the Securities Lock-up subjects; (ii) offer, sell, issue, contract the sale, contract purchase or grant any options, rights or guarantees to acquire the Securities Lock-up subjects; (iii) enter into any swap agreement, hedge or any agreement that transfers to others, in whole or in in part, any of the economic results arising from the the ownership of Securities Subject to Lock-up; or (iv) publicly disclose the intention to make any operation specified in items (i) to (iii).] The seals listed above will not apply in the following cases [(i) donations in good faith, provided that prior to such donation the grantees commit themselves to the Coordinators Offer in writing to comply with the remaining term of the Lock-up period; (ii) transfers to a trust for the benefit of directly or indirectly by the Signatory's own instrument signer and / or immediate family members, provided that, prior to such transfer, the trust undertakes in writing to respect the remaining deadline of the lock-up period; (iii) transfers to any associated companies belonging to the same economic group) as defined Rule 405 of the Securities Act, as amended, of the signatories of the Lock-up instrument, provided that, prior to such transfer, the addressee undertakes to Offer Coordinators in writing to comply with the deadline remnant of the Lock-up period; and (iv) transfers held for share lending purposes by the signatory Lock-up instrument to an Offering Coordinator or any institution appointed by such Offer Coordinator, certain number of shares for realization purposes stabilization activities of the Shares, in accordance with terms of the Distribution Agreement and the Stabilization.