Try the attached. It inserts the leader/text as a mleader in the current mleader style. This must be set up correctly for your desired text size, since I don't know what this is.
(defun rh:sammlung_n (o_lst grp / tmp n_lst)
(setq n_lst nil)
(cond ( (and o_lst (= (rem (length o_lst) grp) 0))
(while o_lst
(repeat grp (setq tmp (cons (car o_lst) tmp) o_lst (cdr o_lst)))
(setq n_lst (cons (reverse tmp) n_lst) tmp nil)
);end_while
)
( (/= (rem (length o_lst) grp) 0) (princ "\nModulus Error : The passed list length is not exactly divisible by the group size!!"))
);end_cond
(if n_lst (reverse n_lst))
);end_defun
(vl-load-com)
(defun rh:223 (lst / a) (setq a (mapcar '(lambda (x) (reverse (cons 0.0 (reverse x)))) lst)))
;;Object ID
(defun c:oid ( / *error* c_doc c_spc sv_lst sv_vals level p0 p1)
(defun *error* ( msg )
(mapcar 'setvar sv_lst sv_vals)
(if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc))
(if (not (wcmatch (strcase msg) "*BREAK*,*CANCEL*,*EXIT*")) (princ (strcat "\nOops an Error : " msg " occurred.")))
(princ)
);end_*error*_defun
(setq c_doc (vla-get-activedocument (vlax-get-acad-object))
c_spc (vlax-get-property c_doc (if (= 1 (getvar 'cvport)) 'paperspace 'modelspace))
sv_lst (list 'osmode 'cmdecho)
sv_vals (mapcar 'getvar sv_lst)
);end_setq
(mapcar 'setvar sv_lst '(0 0))
(setq ss (ssget '((0 . "POINT,CIRCLE,LINE,LWPOLYLINE"))))
(cond (ss
(if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc))
(vla-startundomark c_doc)
(repeat (setq cnt (sslength ss))
(setq obj (vlax-ename->vla-object (ssname ss (setq cnt (1- cnt)))))
(cond ( (= (vlax-get-property obj 'objectname) "AcDbLine") (setq i_pts (mapcar '(lambda (x) (vlax-get obj x)) (list "startpoint" "endpoint"))))
( (= (vlax-get-property obj 'objectname) "AcDbCircle") (setq i_pts (rh:sammlung_n (vlax-get obj 'center) 3)))
( (= (vlax-get-property obj 'objectname) "AcDbPoint") (setq i_pts (rh:sammlung_n (vlax-get obj 'coordinates) 3)))
(t (setq i_pts (rh:223 (rh:sammlung_n (vlax-get obj 'coordinates) 2))))
);end_cond
(foreach pt i_pts
(setq pt2 (mapcar '+ pt '(1.0 1.0 0.0))
txt (strcat "E=" (rtos (car pt) 2 4) "\\P" "N=" (rtos (cadr pt) 2 4))
ml_obj (vlax-invoke c_spc 'addmleader (append pt pt2) 0)
);end_setq
(vlax-put-property ml_obj 'textstring txt)
(vlax-put-property ml_obj 'textleftattachmenttype 7)
(vlax-put-property ml_obj 'textrightattachmenttype 7)
);end_foreach
);end_repeat
(if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc))
)
);end_cond
(mapcar 'setvar sv_lst sv_vals)
(princ)
);end_defun