UK travel company Thomas Cook's inaugural visit to the debt capital markets proved a successful one. Its dual currency euro/sterling issue closed with impeccable timing, just before a Greek tragedy and a UK farce.

Dong Energy took an opportunistic approach with its first sterling issue and found a hungry market, starved of issuance in 2010. Writer Charlie Corbett

Slovenia tracked the market's reaction to Greece's 10-year bond release in early March before moving quickly into action with its second bond issue of the year. Writer Edward Russell-Walling

Active in 23 countries, the UK’s Tullow Oil is now targeting the African market, a policy which took a huge leap  forward in January with its $1.5bn purchase of Heritage Oil’s Ugandan assets, the funds for which were raised by an accelerated bookbuild that was completed in just over a week.

Canada, rarely observed in the international bond markets, sparked intense interest at the beginning of the year with its debut euro-denominated 10-year bond issue. Will there be more sightings to come, or is this just a one-time foray? Writer Edward Russell-Walling

Although Greece currently has the lowest sovereign rating in the eurozone and the highest budget deficit ratio, its membership was enough to reassure investors that its 15-year issue in November was a safe bet. Writer Edward Russell-Walling

In demand: Gazprom's headquarters in Moscow

Gazprom, one of the world's largest energy companies, has responded to its downgraded ratings with an ambitious issue of commercial paper in western Europe. The surprising outcome may have implications for years to come. Writer Edward Russell-Walling

Jean-Baptiste Pons, EADS head of corporate finance and treasury

It is unusual to issue bonds in August, when many investors are on holiday. However, when European aerospace corporation EADS issued paper worth €1bn last month, common logic was defied in style. Writer Edward Russell-Walling

On a high: Enel chief risk officer Claudio Machetti

The past 24 months have seen Italian energy provider Enel acquire Spanish counterpart Endesa, face threats of a credit downgrade from Standard & Poor's, and launch a successful €8bn rights issue, the largest ever by an Italian company. Writer Edward Russell-Walling

The UK company formed from NTL, Telewest and Virgin has been busy in the corporate bond markets.