Any correspondence from and/or service of notices and other documents by the Exchange or the Commission to the directors when they are directors of the listed issuer or after they cease to be so, for whatever purposes (including but not limited to the service of notice of disciplinary proceedings) shall be deemed to have been validly and adequately served on them when the document or notice is served personally or is sent by post, facsimile or email to the address or number they provide to the Exchange. It is the responsibility of directors and former directors to keep the Exchange informed of their up-to-date contact details.