# Contract Variation- Contract Extension

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [Defence Science and Technology Laboratory](/buyers/defence-science-and-technology-laboratory/contract-awards)
- Contract winner: [Calder Conferences Limited](/contract-winners/calder-conferences/public-sector-contract-awards)
- Award value: £1,100,000
- Tender value: £1,100,000
- Award date: 16 January 2025
- Published: 29 January 2025
- Contract start: 26 February 2025
- Contract end: 25 February 2026
- Stage: awarded
- Procurement category: services
- Notice ID: f2226929-80d7-485d-b6ac-cd025fd6a8e0-821403
- OCID: ocds-b5fd17-4fe28935-6f02-432e-b45e-52945d85770b

## Description

Contract Variation to extend current provision by 12 months\.

## Related contract awards

- [Forward Asset Service Plan \(FASP01\)](/contracts/ocds-b5fd17-99492d33-8ddb-4665-84a8-7883fb4c9293): Defence Science and Technology Laboratory
- [Insurance Purchase](/contracts/ocds-b5fd17-f0b22c6d-a6ed-4807-b3b3-99060b648091): Defence Science and Technology Laboratory
- [Huddle Licences](/contracts/ocds-b5fd17-3cb2b925-11cc-4b3b-a515-d8cf31985c1b): Defence Science and Technology Laboratory
- [Events booking service](/contracts/ocds-b5fd17-32f14338-4cb5-4d97-a039-228da0dc3576): Security Industry Authority
- [Booking Service for Meetings and Events](/contracts/ocds-b5fd17-90b1cc12-5d86-491f-b31f-76be7a0bdee3): NHS Blood and Transplant
- [TEN-2627-005-PCR 2015 - Venue Finding](/contracts/ocds-b5fd17-f7fa2f34-fe11-4752-b77b-18afaff5c9a2): National Employment Savings Trust \(NEST\)

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/f2226929-80d7-485d-b6ac-cd025fd6a8e0-821403)