By James Pearson LONDON (Reuters) – Shell said on Tuesday it was re-routing oil supplies to other depots following a cyberattack on two subsidiaries of German logistics firm Marquard & Bahls this week. The companies, Oiltanking GmbH Group and mineral oil dealer Mabanaft GmbH & Co. KG Group, on Jan. 29 discovered they were hit by an attack that disrupted its IT systems and supply chain, the companies said in a joint statement. Shell Deutschland GmbH, the oil major’s German subsidiary, was able to “re-route to alternative supply depots for the time being,” a spokesperson said in a statement. In …