Exhibit 99.1

Regulatory release

Three and nine month period ended September 30, 2017

Unaudited Condensed Interim Financial Report

On November 2, 2017, Royal Dutch Shell plc released the Unaudited Condensed Interim Financial Report for the three and nine month period ended September 30, 2017 of Royal Dutch Shell plc and its consolidated subsidiaries (collectively, “Shell”).

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Royal Dutch Shell plc Unaudited Condensed Interim Financial Report 4