Ocean Rig Partners LP

Withdrawal of a registration statement

Notice of Effectiveness

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers

Registration statement for securities of certain foreign private issuers

Registration statement for securities of certain foreign private issuers

Letter from the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Draft registration statement (confidential submission) (amendment)

Draft registration statement (confidential submission) (amendment)

Draft registration statement (confidential submission)