Blocklisting Interim Review

CRH PLC
31 March 2008

                        BLOCK LISTING SIX MONTHLY RETURN



Information provided on this form must be typed or printed electronically and
provided to an ris.



Date: 31st March 2008

Name of applicant:                                         CRH plc

Name of scheme:                                            1990 Share Option Scheme (95/4438d)

Period of return:                           From:          01.10.07               To:        31.03.08

Balance of unallotted securities under scheme(s) from      7,998,891
previous return:

Plus:  The amount by which the block scheme(s) has been    -
increased since the date of the last return (if any
increase has been applied for):

Less:  Number of securities issued/allotted under          57,146
scheme(s) during period (see LR3.5.7G):

Equals:  Balance under scheme(s) not yet issued/allotted   7,941,745
at end of period:


Name of contact:                                           Angela Malone

Telephone number of contact:                               00 353 1 6344340







                        BLOCK LISTING SIX MONTHLY RETURN



Information provided on this form must be typed or printed electronically and
provided to an ris.



Date: 31st March 2008


Name of applicant:                                         CRH plc

Name of scheme:                                            1990 U.K. Share Option Scheme (95/4438e)

Period of return:                           From:          01.10.07               To:        31.03.08

Balance of unallotted securities under scheme(s) from      155,026
previous return:

Plus:  The amount by which the block scheme(s) has been    -
increased since the date of the last return (if any
increase has been applied for):

Less:  Number of securities issued/allotted under          -
scheme(s) during period (see LR3.5.7G):

Equals:  Balance under scheme(s) not yet issued/allotted   155,026
at end of period:


Name of contact:                                           Angela Malone

Telephone number of contact:                               00 353 1 6344340





                        BLOCK LISTING SIX MONTHLY RETURN



Information provided on this form must be typed or printed electronically and
provided to an ris.



Date: 31st March 2008


Name of applicant:                                         CRH plc

Name of scheme:                                            2000 Share Option Scheme (RA/CRHplc/00024)

Period of return:                           From:          01.10.07               To:        31.03.08

Balance of unallotted securities under scheme(s) from      17,766,402
previous return:

Plus:  The amount by which the block scheme(s) has been    -
increased since the date of the last return (if any
increase has been applied for):

Less:  Number of securities issued/allotted under          137,816
scheme(s) during period (see LR3.5.7G):

Equals:  Balance under scheme(s) not yet issued/allotted   17,628,586
at end of period:


Name of contact:                                           Angela Malone

Telephone number of contact:                               00 353 1 6344340







                        BLOCK LISTING SIX MONTHLY RETURN



Information provided on this form must be typed or printed electronically and
provided to an ris.



Date: 31st March 2008


Name of applicant:                                         CRH plc

Name of scheme:                                            2000 Share Option Scheme (United Kingdom) (RA/CRHplc/00023)

Period of return:                           From:          01.10.07               To:        31.03.08

Balance of unallotted securities under scheme(s) from      610,474
previous return:

Plus:  The amount by which the block scheme(s) has been    -
increased since the date of the last return (if any
increase has been applied for):

Less:  Number of securities issued/allotted under          -
scheme(s) during period (see LR3.5.7G):

Equals:  Balance under scheme(s) not yet issued/allotted   610,474
at end of period:


Name of contact:                                           Angela Malone

Telephone number of contact:                               00 353 1 6344340







                        BLOCK LISTING SIX MONTHLY RETURN



Information provided on this form must be typed or printed electronically and
provided to an ris.



Date: 31st March 2008


Name of applicant:                                         CRH plc

Name of scheme:                                            2000 Saving Related Share Option Scheme (Republic of
                                                           Ireland) (RA/CRHplc/00024)

Period of return:                           From:          01.10.07               To:        31.03.08

Balance of unallotted securities under scheme(s) from      329,471
previous return:

Plus:  The amount by which the block scheme(s) has been    -
increased since the date of the last return (if any
increase has been applied for):

Less:  Number of securities issued/allotted under          4,154
scheme(s) during period (see LR3.5.7G):

Equals:  Balance under scheme(s) not yet issued/allotted   325,317
at end of period:


Name of contact:                                           Angela Malone

Telephone number of contact:                               00 353 1 6344340



                        BLOCK LISTING SIX MONTHLY RETURN



Information provided on this form must be typed or printed electronically and
provided to an ris.



Date: 31st March 2008


Name of applicant:                                         CRH plc

Name of scheme:                                            2000 Saving Related Share Option Scheme (United Kingdom) 
                                                           (RA/CRHplc/00020)

Period of return:                           From:          01.10.07               To:        31.03.08

Balance of unallotted securities under scheme(s) from      109,626
previous return:

Plus:  The amount by which the block scheme(s) has been    -
increased since the date of the last return (if any
increase has been applied for):

Less:  Number of securities issued/allotted under          6,094
scheme(s) during period (see LR3.5.7G):

Equals:  Balance under scheme(s) not yet issued/allotted   103,532
at end of period:


Name of contact:                                           Angela Malone

Telephone number of contact:                               00 353 1 6344340










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