Exhibit 4-8392 - RBD.9999.0001.0504_R - 20230310 Letter to OSA - Whiteford report You are here Home Publications Exhibit 4-8392 - RBD.9999.0001.0504_R - 20230310 Letter to OSA - Whiteford report Exhibit Publication date 10 March 2023 Download Exhibit 4-8392 - RBD.9999.0001.0504_R - 20230310 Letter to OSA - Whiteford report.pdf