Name of Reporting Persons:

GSO SPECIAL SITUATIONS FUND LP

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

698,880

Shared Voting Power:

0

Sole Dispositive Power:

698,880

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

698,880

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

2.8%

Type of Reporting Person (See Instructions):

PN

Name of Reporting Persons:

GSO SPECIAL SITUATIONS OVERSEAS MASTER FUND LTD.

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Cayman Islands, British West Indies

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

801,120

Shared Voting Power:

0

Sole Dispositive Power:

801,120

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

801,120

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

3.2%

Type of Reporting Person (See Instructions):

CO

Name of Reporting Persons:

GSO SPECIAL SITUATIONS OVERSEAS FUND LTD.

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Cayman Islands, British West Indies

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

801,120

Shared Voting Power:

0

Sole Dispositive Power:

801,120

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

801,120

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

3.2%

Type of Reporting Person (See Instructions):

CO

Name of Reporting Persons:

GSO CAPITAL PARTNERS LP

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

PN

Name of Reporting Persons:

GSO ADVISOR HOLDINGS L.L.C.

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

OO

Name of Reporting Persons:

BLACKSTONE HOLDINGS I L.P.

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

PN

Name of Reporting Persons:

BLACKSTONE HOLDINGS I/II GP INC.

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

CO

Name of Reporting Persons:

THE BLACKSTONE GROUP L.P.

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

PN

Name of Reporting Persons:

BLACKSTONE GROUP MANAGEMENT L.L.C.

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

OO

Name of Reporting Persons:

STEPHEN A. SCHWARZMAN

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

United States

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

IN

Name of Reporting Persons:

BENNETT J. GOODMAN

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

United States

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

IN

Name of Reporting Persons:

J. ALBERT SMITH III

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

United States

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

IN

Name of Reporting Persons:

DOUGLAS I. OSTROVER

Check the Appropriate Box if a Member of a Group

(a)  ¨

(b)  x

SEC Use Only

Citizenship or Place of Organization:

United States

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

Sole Voting Power:

1,500,000

Shared Voting Power:

0

Sole Dispositive Power:

1,500,000

Shared Dispositive Power:

0

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,500,000

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

¨

Percent of Class Represented by Amount in Row (9):

6.0%

Type of Reporting Person (See Instructions):

IN

(a).   Name of Issuer

Ardmore Shipping Corporation (the “Company”)

(b).  Address of Issuer’s Principal Executive Offices:

69 Pitts Bay Road

Hamilton HM08

Bermuda

+353 21 240 9500

Item 2(b).

Item 2(c).

Name of Person Filing

Address of Principal Business Office

Citizenship

(i) GSO Special Situations Fund LP

c/o GSO Capital Partners LP

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(ii) GSO Special Situations Overseas Master Fund Ltd.

c/o GSO Capital Partners LP

345 Park Avenue

New York, NY 10154

Citizenship: Cayman Islands, British West Indies

(iii) GSO Special Situations Overseas Fund Ltd.

c/o GSO Capital Partners LP

345 Park Avenue

New York, NY 10154

Citizenship: Cayman Islands, British West Indies

(iv) GSO Capital Partners LP

c/o GSO Capital Partners LP

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(v) GSO Advisor Holdings L.L.C.

c/o GSO Capital Partners LP

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(vi) Blackstone Holdings I L.P.

c/o The Blackstone Group L.P.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(vii) Blackstone Holdings I/II GP Inc.

c/o The Blackstone Group L.P.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(viii) The Blackstone Group L.P.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(ix) Blackstone Group Management L.L.C.

c/o The Blackstone Group L.P.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(x) Stephen A. Schwarzman

c/o The Blackstone Group L.P.

345 Park Avenue

New York, NY 10154

Citizenship: United States

(xi) Bennett J. Goodman

c/o GSO Capital Partners LP

280 Park Avenue

New York, NY 10017

Citizenship: United States

(xii) J. Albert Smith III

c/o GSO Capital Partners LP

280 Park Avenue

New York, NY 10017

Citizenship: United States

(xiii) Douglas I. Ostrover

c/o GSO Capital Partners LP

280 Park Avenue

New York, NY 10017

Citizenship: United States

The foregoing persons are hereinafter sometimes collectively referred to as the “Reporting Persons.”

GSO Capital Partners LP is the investment manager of each of GSO Special Situations Fund LP, GSO Special Situations Overseas Master Fund Ltd. and GSO Special Situations Overseas Fund Ltd (collectively, the “GSO Funds”). GSO Advisor Holdings LLC is the general partner of GSO Capital Partners LP. Blackstone Holdings I L.P. is the sole member of GSO Advisor Holdings LLC. Blackstone Holdings I/II GP Inc. is the general partner of Blackstone Holdings I L.P. The Blackstone Group L.P. is the controlling shareholder of Blackstone Holdings I/II GP Inc. Blackstone Group Management L.L.C. is the general partner of The Blackstone Group L.P. Blackstone Group Management L.L.C. is controlled by Stephen A. Schwarzman, one of its founders. Each of Bennett J. Goodman, J. Albert Smith III and Douglas I. Ostrover is an executive of GSO Capital Partners LP.

In addition, each of Bennett J. Goodman, J. Albert Smith III and Douglas I. Ostrover may be deemed to have shared voting power and/or investment power with respect to the Common Stock held by the GSO Funds.

Each Reporting Person expressly disclaims any assertion or presumption that it and the other persons on whose behalf this statement is filed or who are otherwise party to the Joint Filing Agreement (as filed hereto as Exhibit 1) constitute a “group” for the purposes of Sections 13(d) and 13(g) of the Act and the rules thereunder. The filing of this statement should not be construed to be an admission that any member of the Reporting Persons are members of a “group” for the purposes of Sections 13(d) and 13(g) of the Act.

Title of Class of Securities:

Common Stock, par value $0.01 (the “Common Stock”)

If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

Not Applicable.

Ownership.

(a) Amount beneficially owned:

As of the date hereof, each of the Reporting Persons may be deemed to be the beneficial owner of the shares listed on such Reporting Person’s respective reporting page. GSO Special Situations Fund LP directly holds 698,880 shares of Common Stock, and GSO Special Situations Overseas Master Fund Ltd. directly holds 801,120 shares of Common Stock.

(b) Percent of class:

The Company’s prospectus, filed on March 6, 2014, indicated that there were 25,050,000 outstanding shares of Common Stock as of March 6, 2014. Based on this number of outstanding shares of Common Stock, each of the Reporting Persons may be deemed to be the beneficial owner of the percentage of shares of the total number of outstanding shares of Common Stock as listed on such Reporting Person’s respective reporting page.

(c) Number of Shares as to which the Reporting Person has:

GSO Special Situations Fund LP

(i) Sole power to vote or to direct the vote:

698,880

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

698,880

(iv) Shared power to dispose or to direct the disposition of:

0

GSO Special Situations Overseas Master Fund Ltd.

(i) Sole power to vote or to direct the vote:

801,120

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

801,120

(iv) Shared power to dispose or to direct the disposition of:

0

GSO Special Situations Overseas Fund Ltd.

(v) Sole power to vote or to direct the vote:

801,120

(vi) Shared power to vote or to direct the vote:

0

(vii) Sole power to dispose or to direct the disposition of:

801,120

(viii) Shared power to dispose or to direct the disposition of:

0

GSO Capital Partners LP

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

GSO Advisor Holdings L.L.C.

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

Blackstone Holdings I L.P.

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

Blackstone Holdings I/II GP Inc.

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

The Blackstone Group L.P.

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

Blackstone Group Management L.L.C.

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

Stephen A. Schwarzman

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

Bennett J. Goodman

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

J. Albert Smith III

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

Douglas I. Ostrover

(i) Sole power to vote or to direct the vote:

1,500,000

(ii) Shared power to vote or to direct the vote:

0

(iii) Sole power to dispose or to direct the disposition of:

1,500,000

(iv) Shared power to dispose or to direct the disposition of:

0

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following:  ¨

Ownership of More than Five Percent on Behalf of Another Person.

Not Applicable.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not Applicable.

Identification and Classification of Members of the Group.

Not Applicable.

Notice of Dissolution of Group.

Not Applicable.