contracts for pecuniary interest concluded in writing between a service provider and a contracting authority, to the exclusion of: i) public supply contracts within the meaning of Article 1 (a) of Directive 77/62/EEC or public works contracts within the meaning of Article 1 (a) of Directive 71/305/EEC; ii) contracts awarded in the fields referred to in Articles 2, 7, 8 and 9 of Directive 90/531/EEC or fulfilling the conditions in Article 6 (2) of the same Directive; iii) contracts for the acquisition or rental, by whatever financial means, of land, existing buildings, or other immovable property or concerning rights thereon: nevertheless, financial service contracts concluded at the same time as, before or after the contract of acquisition or rental, in whatever form, shall be subject to this Directive; iv) contracts for the acquisition, development, production or co-production of programme material by broadcasters and contracts for broadcasting time; v) contracts for voice telephony, telex, radiotelephony, paging and satellite services; vi) contracts for arbitration and conciliation services; vii) contracts for financial services in connection with the issue, sale, purchase or transfer of securities or other financial instruments, and central bank services; viii) contracts other than those where the benefits accrue exclusively to the contracting authority for its use in the conduct of its own affairs, on condition that the service provided is wholly remunerated by the contracting authority