Form 8.3 - DANA PETROLEUM PLC

FORM 8.3

            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:                                    16 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         1,117,431      1.21          253,233      0.27
    controlled:
(2) Derivatives (other than options):          175,849      0.19          188,154      0.20

(3) Options and agreements to purchase/sell:         0         0                0         0

    TOTAL:                                   1,293,280      1.40          441,387      0.47


Class of relevant security:                          Convertible Bond GBP

                                            Interests                  Short positions
                                          Number        %              Number         %
(1) Relevant securities owned and/or                                  700,000      0.49
    controlled:
(2) Derivatives (other than options):

(3) Options and agreements to purchase/sell:

                                                                                                    TOTAL:
                                                 700,000     0.49%

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      Purchase/sale      Number of       Price per unit
relevant                         securities
security
ORD           Purchase           100             14.7535 GBP
ORD           Purchase           100             14.8335 GBP
ORD           Purchase           126             14.9200 GBP
ORD           Purchase           158             14.8385 GBP
ORD           Purchase           200             14.7735 GBP
ORD           Purchase           200             14.7800 GBP
ORD           Purchase           200             14.9900 GBP
ORD           Purchase           219             14.8885 GBP
ORD           Purchase           250             14.8485 GBP
ORD           Purchase           400             14.7750 GBP
ORD           Purchase           438             14.8900 GBP
ORD           Purchase           500             14.7485 GBP
ORD           Purchase           500             14.8500 GBP
ORD           Purchase           516             14.8400 GBP
ORD           Purchase           584             14.7873 GBP
ORD           Purchase           1,000           14.7500 GBP
ORD           Purchase           2,000           14.5800 GBP
ORD           Purchase           2,064           14.4350 GBP
ORD           Purchase           2,352           14.6796 GBP
ORD           Purchase           2,590           14.8314 GBP
ORD           Purchase           2,787           14.5385 GBP
ORD           Purchase           6,403           14.7654 GBP
ORD           Purchase           6,868           14.5944 GBP
ORD           Purchase           25,440          14.5278 GBP
ORD           Purchase           50,000          14.8422 GBP
ORD           Sale               40              14.7900 GBP
ORD           Sale               63              14.9218 GBP
ORD           Sale               100             14.9914 GBP
ORD           Sale               120             14.4150 GBP
ORD           Sale               126             14.9200 GBP
ORD           Sale               200             14.7800 GBP
ORD           Sale               200             14.9900 GBP
ORD           Sale               400             14.7750 GBP
ORD           Sale               438             14.8900 GBP
ORD           Sale               500             14.8500 GBP
ORD           Sale               516             14.8400 GBP
ORD           Sale               544             14.7871 GBP
ORD           Sale               641             14.7576 GBP
ORD           Sale               1,000           14.5814 GBP
ORD           Sale               1,000           14.7500 GBP
ORD           Sale               1,032           14.4364 GBP
ORD           Sale               1,572           14.7893 GBP
ORD           Sale               2,000           14.5800 GBP
ORD           Sale               2,064           14.4350 GBP
ORD           Sale               3,265           14.8200 GBP
ORD           Sale               4,299           14.3954 GBP
ORD           Sale               4,413           14.8225 GBP
ORD           Sale               5,701           14.3600 GBP
ORD           Sale               14,361          14.7212 GBP
ORD           Sale               17,783          14.7841 GBP
ORD           Sale               25,205          14.5328 GBP
ORD           Sale               26,962          14.7890 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                   641            14.7575 GBP
ORD          CFD          Long                   1,572          14.7893 GBP
ORD          CFD          Short                  2,352          14.6796 GBP
ORD          CFD          Short                  25,440         14.5278 GBP
ORD          CFD          Short                  50,000         14.8422 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:                                        19 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]