1 INTRODUCTION

2 DATA AND METHOD
2.1 Sources
2.2 Observations
2.3 Optical spectral line fitting

3 RESULTS

4 SOURCES WITH NON-SEYFERT-1 CLASSIFICATIONS
4.1 XMMSL1 J070846.2+554905: a stellar object
4.2 XMMSL1 J065525.2+370815: a highly unusual outbursting source or TDE?
4.3 XMMSL1J162533.2+632411: an obscured AGN

5 DISCUSSION
5.1 Comparison with other XMM AGN samples
5.2 Concluding remarks