Blocklisting Interim Review

Cairn Energy PLC
28 October 2005


                                   SCHEDULE 5

                        BLOCK LISTING SIX MONTHLY RETURN

To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

AVS No:

1.  Name of company: CAIRN ENERGY PLC

2.  Name of scheme: CAIRN ENERGY PLC 1996 SECOND SHARE OPTION SCHEME

3.  Period of return: From 28/04/2005 to 27/10/2005

4.  Number and class of share(s) (amount of
    Stock/debit security) not issued under scheme: 555,783

5.  Number of shares issued allotted under
    Scheme during period: 329,041

6.  Balance under scheme not yet issued/allotted
    at end of period: 226,742

7.  Number and class of share(s) (amount of
    stock/debit securities) originally listed and the 2,000,000 SHARES LISTED ON
    21/10/2003;
    Date of admission: 1,305,700 SHARES LISTED ON 28/10/2004

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
                               159,728,356

Contact for queries: Address:

Name: MARYTH GUILD 50 LOTHIAN ROAD, EDINBURGH EH3 9BY

Telephone: [phone]

Person making return:

Name: MARYTH GUILD

Position: DEPUTY COMPANY SECRETARY

Signature:

                                   SCHEDULE 5

                        BLOCK LISTING SIX MONTHLY RETURN

To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

AVS No:

1.  Name of company: CAIRN ENERGY PLC

2.  Name of scheme: CAIRN ENERGY PLC 2002 UNAPPROVED SHARE OPTION PLAN

3.  Period of return: From 28/04/2005 to 27/10/2005

4.  Number and class of share(s) (amount of
    Stock/debit security) not issued under scheme: 2,281,358

5.  Number of shares issued allotted under
    Scheme during period: 1,050

6.  Balance under scheme not yet issued/allotted
    at end of period: 2,280,308

7.  Number and class of share(s) (amount of
    stock/debit securities) originally listed and the 2,000,000 SHARES LISTED ON
    21/10/2003;

    Date of admission: 286,200 SHARES LISTED ON 28/10/2004

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
                                159,728,356

Contact for queries: Address:

Name: MARYTH GUILD 50 LOTHIAN ROAD, EDINBURGH EH3 9BY

Telephone: [phone]

Person making return:

Name: MARYTH GUILD

Position: DEPUTY COMPANY SECRETARY

Signature:

                                   SCHEDULE 5

                        BLOCK LISTING SIX MONTHLY RETURN

To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

AVS No:

1.  Name of company: CAIRN ENERGY PLC

2.  Name of scheme: CAIRN ENERGY PLC 2003 APPROVED SHARE OPTION PLAN

3.  Period of return: From 28/04/2004 to 27/10/2005

4.  Number and class of share(s) (amount of
    Stock/debit security) not issued under scheme: 240,900

5.  Number of shares issued allotted under
    Scheme during period: NIL

6.  Balance under scheme not yet issued/allotted
    at end of period: 240,900

7.  Number and class of share(s) (amount of
    stock/debit securities) originally listed and the
    Date of admission: 240,900 SHARES LISTED ON 28/10/2004

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
                               159,728,356

Contact for queries: Address:

Name: MARYTH GUILD 50 LOTHIAN ROAD, EDINBURGH EH3 9BY

Telephone: [phone]

Person making return:

Name: MARYTH GUILD

Position: DEPUTY COMPANY SECRETARY

Signature:




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