Annual summary 2011
| January | |
| 31.1.2011 | Lemminkäinen concludes the divestment of its roofing operations |
February | |
| 2.2.2011 | Lemminkäinen´s Annual Summary 2010 published |
| 3.2.2011 | Publication of Lemminkäinen Corporation's 2010 financial statements |
| 10.2.2011 | Lemminkäinen Financial Statements Bulletin 2010 |
| 10.2.2011 | Lemminkäinen to construct approx. 2,000 residential units in downtown St Petersburg |
| 10.2.2011 | Notice to the Annual General Meeting |
| 10.2.2011 | CORRECTION: Lemminkäinen's Financial Statements Bulletin 2010 |
March | |
| 14.3.2011 | Lemminkäinen's Annual Report 2010 and Financial Statements |
| 14.3.2011 | Lemminkäinen's Corporate Governance Statement 2010 issued |
| 30.3.2011 | Review period information for year 2010, under Lemminkäinen's new segment division |
| 31.3.2011 | The regulatory approval process of Lemminkäinen's acquisition in Norway continues |
April | |
| 4.4.2011 | Lemminkäinen's Board of Directors convened an organising meeting |
| 4.4.2011 | Resolutions of Lemminkäinen Corporation's Annual General Meeting |
| 28.4.2011 | Lemminkäinen to publish its interim report 1-3/2011 on Thursday, 5 May 2011 at 9:00 a.m. |
May | |
| 5.5.2011 | Lemminkäinen's Interim Report, 1 January - 31 March 2011 |
| 16.5.2011 | Competition authority approves Lemminkäinen's acquisition of Mesta Industri in Norway |
| 31.5.2011 | Lemminkäinen's Mesta Industri acquisition completed |
June | |
| 1.6.2011 | Lemminkäinen to build two new office building at Töölönlahti, Helsinki |
| 16.6.2011 | Lemminkäinen wins major infrastructure construction contract in Sweden |
July | |
| 28.7.2011 | Lemminkäinen to publish its interim report 1-6/2011 on Thursday, 4 August 2011 at 8:00 a.m. |
August | |
| 4.8.2011 | Lemminkäinen's Interim Report, 1 January - 30 June 2011 |
September | |
| 5.9.2011 | Lemminkäinen's financial information in 2012 |
| 14.9.2011 | Peab AB's holding in Lemminkäinen will increase to 10 percent |
October | |
| 10.10.2011 | Lemminkäinen specifies its strategic focus and launches an efficiency programme to improve profitability; international operations forms the fourth business sector |
| 10.10.2011 | Changes in Lemminkäinen's Executive Board |
| 18.10.2011 | Lemminkäinen to inititate negotiations to reduce personnel |
| 26.10.2011 | Lemminkäinen to publish its interim report 1-9/2011 on Thursday, 3 November 2011 at 8:00 a.m. |
November | |
| 3.11.2011 | Lemminkäinen's Interim Report, 1 Jan. - 30 Sept. 2011: Good performance in Infrastructure Construction yields substantial improvement in profitability. In Building Construction, earnings are recognised mainly towards the end of the year. |
December | |
| 2.12.2011 | Lemminkäinen concludes personnel negotiations |
| 2.12.2011 | The stake in Lemminkäinen Corporation of Erkki Pentti's estate has been transferred to PNT Group Oy, owned by Anna Pentti and Heppu Pentti |