Form 8.3 - DANA PETROLEUM PLC - AMENDMENT

FORM 8.3
AMENDMENT

            PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY
     A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE
                   Rule 8.3 of the Takeover Code (the "Code")

1.   KEY INFORMATION

(a) Identity of the person whose positions/dealings are
    being disclosed:                                                          BARCLAYS PLC
(b) Owner or controller of interests and short positions
    disclosed, if different from 1(a):
    The naming of nominee or vehicle companies is insufficient
(c) Name of offeror/offeree in relation to whose relevant
    securities this form relates:                                             DANA PETROLEUM PLC
    Use a separate form for each offeror/offeree
(d) If an exempt fund manager connected with an offeror/offeree,
    state this and specify identity of offeror/offeree:
(e) Date position held/dealing undertaken:                                    7 July 2010
(f) Has the discloser previously disclosed, or are they today disclosing,     NO
    under the Code in respect of any other party to this offer?

2.   POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a)  Interests and short positions in the relevant securities of the offeror or
     offeree to which the disclosure relates following the dealing (if any)

Class of relevant security:                               Ordinary

                                                    Interests               Short positions
                                                Number         %           Number           %
(1) Relevant securities owned and/or           978,342     1.06%           275,948      0.30%
    controlled:
(2) Derivatives (other than options):          234,401     0.25%             5,742      0.01%
(3) Options and agreements to purchase/sell:

    TOTAL:                                   1,212,743     1.31%           281,690      0.30%


Class of relevant security:                          Convertible Bond GBP

                                              Interests                   Short positions
                                          Number          %            Number             %
(1) Relevant securities owned and/or     300,000       0.21
    controlled:
(2) Derivatives (other than options):

(3) Options and agreements to purchase/sell:

                                                                                                    TOTAL:
                    300,000       0.21

All interests and all short positions should be disclosed.

Details of any open derivative or option positions, or agreements to purchase or
sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b)  Rights to subscribe for new securities (including directors' and other executive options)

Class of relevant security in relation to which subscription right exists:
Details, including nature of the rights concerned and relevant percentages:

If there are positions or rights to subscribe to disclose in more than one class
of relevant securities of the offeror or offeree named in 1(c), copy table 2(a)
or (b) (as appropriate) for each additional class of relevant security.

3.   DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

(a)  Purchases and sales

Class of relevant    Purchase/sale      Number of securities      Price per unit
security
ORD                  Purchase           112                       14.4435 GBP
ORD                  Purchase           130                       14.5009 GBP
ORD                  Purchase           140                       14.1109 GBP
ORD                  Purchase           140                       14.1114 GBP
ORD                  Purchase           142                       14.0100 GBP
ORD                  Purchase           156                       14.1398 GBP
ORD                  Purchase           204                       14.1709 GBP
ORD                  Purchase           224                       14.4450 GBP
ORD                  Purchase           260                       14.5100 GBP
ORD                  Purchase           280                       14.1200 GBP
ORD                  Purchase           280                       14.1250 GBP
ORD                  Purchase           300                       14.0235 GBP
ORD                  Purchase           408                       14.2100 GBP
ORD                  Purchase           500                       14.2535 GBP
ORD                  Purchase           514                       13.9105 GBP
ORD                  Purchase           542                       14.1350 GBP
ORD                  Purchase           600                       14.0250 GBP
ORD                  Purchase           614                       14.1784 GBP
ORD                  Purchase           684                       14.3450 GBP
ORD                  Purchase           800                       14.1209 GBP
ORD                  Purchase           937                       14.2043 GBP
ORD                  Purchase           1,000                     13.9686 GBP
ORD                  Purchase           1,000                     14.2550 GBP
ORD                  Purchase           1,085                     14.0934 GBP
ORD                  Purchase           1,618                     14.1300 GBP
ORD                  Purchase           2,000                     13.9700 GBP
ORD                  Purchase           5,635                     14.1881 GBP
ORD                  Purchase           7,021                     14.0521 GBP
ORD                  Purchase           7,284                     13.9569 GBP
ORD                  Purchase           8,988                     14.1409 GBP
ORD                  Purchase           15,003                    14.1039 GBP
ORD                  Purchase           37,287                    14.1500 GBP
ORD                  Sale               9                         14.1314 GBP
ORD                  Sale               71                        14.0114 GBP
ORD                  Sale               142                       14.0100 GBP
ORD                  Sale               224                       14.4450 GBP
ORD                  Sale               260                       14.5100 GBP
ORD                  Sale               271                       14.1364 GBP
ORD                  Sale               280                       14.1250 GBP
ORD                  Sale               342                       14.3464 GBP
ORD                  Sale               408                       14.2100 GBP
ORD                  Sale               542                       14.1350 GBP
ORD                  Sale               600                       14.0250 GBP
ORD                  Sale               684                       14.3450 GBP
ORD                  Sale               769                       14.4713 GBP
ORD                  Sale               812                       14.1500 GBP
ORD                  Sale               940                       13.9100 GBP
ORD                  Sale               1,000                     14.2550 GBP
ORD                  Sale               1,024                     14.1177 GBP
ORD                  Sale               1,406                     14.1200 GBP
ORD                  Sale               1,618                     14.1300 GBP
ORD                  Sale               2,000                     13.9700 GBP
ORD                  Sale               2,427                     14.0636 GBP
ORD                  Sale               6,000                     14.4738 GBP
ORD                  Sale               16,669                    14.1202 GBP
ORD                  Sale               20,816                    14.2628 GBP


(b)  Derivatives transactions (other than options)

Class of     Product      Nature of              Number of
relevant     description  dealing e.g.           reference      Price per
security     e.g. CFD     opening/closing        securities     unit
                          a long/short
                          position,
                          increasing/reducing
                          a long/short
                          position
ORD         CFD           Long                   1,024          14.1176 GBP
ORD         CFD           Long                   1,126          14.1200 GBP
ORD         CFD           Short                  614            14.1784 GBP
ORD         CFD           Short                  5,635          14.1881 GBP
ORD         CFD           Short                  8,582          14.1409 GBP
ORD         CFD           Short                  36,475         14.1500 GBP

(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

   Class of   Product      Writing,           Number of     Exercise    Type    Expiry date  Option money
   relevant   description  purchasing,       securities to  price per   e.g.                 paid/
   security   e.g. call    selling, varying  which option   unit        American,            received per
              option       etc.              relates                    European             unit
                                                                        etc.


(ii) Exercising

 Class of relevant security   Product description   Number of securities  Exercise price per unit
                              e.g. call option


(d)  Other dealings (including subscribing for new securities)

   Class of relevant    Nature of dealing               Details      Price per unit (if
   security             e.g. subscription, conversion                applicable)


The currency of all prices and other monetary amounts should be stated.

Where there have been dealings in more than one class of relevant securities of
the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as
appropriate) for each additional class of relevant security dealt in.

4.   OTHER INFORMATION

(a)  Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to
relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the
disclosure and any party to the offer or any person acting in concert with a party to the offer:
If there are no such agreements, arrangements or understandings, state "none"



(b)  Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and
any other person relating to:
(i)the voting rights of any relevant securities under any option; or
(ii)the  voting  rights  or  future acquisition or disposal of any relevant securities to which  any  derivative is
referenced:
If there are no such agreements, arrangements or understandings, state "none"




(c)  Attachments

Is a Supplemental Form 8 (Open Positions) attached?                                     NO


Date of disclosure:                                        12 July 2010
Contact name:                                              Geoff Smith
Telephone number:                                          020 7116 2913

Public disclosures under Rule 8 of the Code must be made to a Regulatory
Information Service and must also be emailed to the Takeover Panel at
[e-mail]